Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband listens to a question from supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband listens to a question from supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband listens to a question from supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Britain's opposition Labour Party leader Ed Miliband speaks to supporters at Memorial Hall in Barry, Britain April 28, 2015. Britain will go to the polls in a national election on May 7. REUTERS/Cathal McNaughton

Chinese Premier Li Keqiang (R) speaks to President Xi Jinping as they leave after the opening of the annual full session of the National People's Congress, the country's parliament, at the Great Hall of the People in Beijing March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Chinese President Xi Jinping sits as Premier Li Keqiang stands next to him during the opening of the annual full session of the National People's Congress, the country's parliament, at Great Hall of the People, in Beijing, March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Delegates attend the opening of the annual full session of the National People's Congress, the country's parliament, at Great Hall of the People, in Beijing, March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Delegates arrive for the opening of the annual full session of the National People's Congress, the country's parliament, at Great Hall of the People, in Beijing, March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Delegates take pictures during the opening of the annual full session of the National People's Congress, the country's parliament, at the Great Hall of the People, in Beijing, March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Chinese Premier Li Keqiang (2nd L) prepares to deliver the government work report as President Xi Jinping (L) and other delegates clap during the opening of the annual full session of the National People's Congress, the country's parliament, at the Great Hall of the People in Beijing March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Chinese President Xi Jinping (2nd row, 4th L), Premier Li Keqiang (2nd row, 4th R) and other delegates sing the national anthem at the opening of the annual full session of the National People's Congress, the country's parliament, at the Great Hall of the People, in Beijing, March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Chinese Premier Li Keqiang walks past President Xi Jinping during the opening of the annual full session of the National People's Congress, the country?s parliament, at the Great Hall of the People in Beijing March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Chinese President Xi Jinping (L) and Premier Li Keqiang have a discussion during the opening of the annual full session of the National People's Congress, the country?s parliament, at the Great Hall of the People in Beijing March 5, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

A delegate shakes hands with a monk delegate after the opening session of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Former Hong Kong chief executive Tung Chee-hwa (C) laughs after the opening session of Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

China's President Xi Jinping (L) and Premier Li Keqiang stand up after the opening session of Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

A security officer sits inside the Great Hall of the People during the opening session of Chinese People's Political Consultative Conference (CPPCC) in Beijing March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

A general view of the interior of the Great Hall of the People is seen during the opening session of the Chinese People's Political Consultative Conference (CPPCC) in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

China's President Xi Jinping (front) and Premier Li Keqiang arrive for the opening session of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

China's President Xi Jinping (L) looks up next to Premier Li Keqiang during the opening session of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

China's President Xi Jinping (C), Premier Li Keqiang (R) and Chairman of the Standing Committee of the National People's Congress (NPC) Zhang Dejiang (L) sit during the opening session of the Chinese People's Political Consultative Conference (CPPCC) at the Great Hall of the People in Beijing, March 3, 2015. REUTERS/Barry Huang (CHINA - Tags: POLITICS) 

Members of Congress attend the dedication of a statue of the late Senator Barry Goldwater (R-AZ) during a ceremony in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

Grover Norquist, president of Americans for Tax Reform, speaks before the dedication of a statue of the late Senator Barry Goldwater (R-AZ) in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS BUSINESS) 

A statue of the late Senator Barry Goldwater (R-AZ) is covered after a dedication ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

Senator John McCain (R-AZ) speaks during the dedication of a statue of the late Senator Barry Goldwater (R-AZ) in Statuary Hall on Capitol Hill in Washington February 11, 2015. Behind him are Speaker of the House John Boehner (R-OH), Senate Majority Leader Mitch McConnell (R-KY) and Senator Dick Durbin (D-IL). REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

House Speaker John Boehner (R-OH), wipes his nose during the dedication of a statue of the late Senator Barry Goldwater (R-AZ) during a ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

House Speaker John Boehner (R-OH) arrives for the dedication of a statue of the late Senator Barry Goldwater (R-AZ) at a ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

House Speaker John Boehner (R-OH), Senate Majority Leader Mitch McConnell (R-KY), Senate Minority Whip Dick Durbin (D-IL), and House Democratic Leader Nancy Pelosi (D-CA) stand for the national anthem during the dedication of a statue of the late Senator Barry Goldwater (R-AZ) at a U.S. Capitol ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

Senate Majority Leader Mitch McConnell (R-KY) (3rd R), Senator John McCain (R-AZ) (2nd R) and House Minority Leader Nancy Pelosi (D-CA) (R) applaud the unveiling of a statue of the late Senator Barry Goldwater (R-AZ) at a U.S. Capitol ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

Senate Majority Leader Mitch McConnell (L-R) (R-KY), Senator John McCain (R-AZ), House Minority Leader Nancy Pelosi (D-CA) and Representative Raul Grijalva (D-AZ) unveil a statue of the late Senator Barry Goldwater (R-AZ) at a U.S. Capitol ceremony held in Statuary Hall on Capitol Hill in Washington February 11, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS) 

Director Ken Loach (R), cast members Simone Kirby (L) and Barry Ward (C) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndL), cast members Barry Ward (L), Simone Kirby (2ndL) and Aisling Franciosi pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)

Cast members Simone Kirby (L) and Barry Ward (R) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (L), cast members Simone Kirby (C) and Barry Ward (R) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndR), cast members Aisling Franciosi (R), Simone Kirby (2ndL) and Barry Ward (C), and producer Rebecca O'Brien (L) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (C), cast members Aisling Franciosi (2ndR), Simone Kirby (2ndL) and Barry Ward (L) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (3rdR), cast members Aisling Franciosi (2ndR), Simone Kirby (4thL) and Barry Ward (4thR), screenwriter Paul Laverty (R) and producer Rebecca O'Brien (3rdL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

(L-R) Director Ken Loach, cast members Simone Kirby, Barry Ward and Aisling Franciosi pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (3rdR), cast members Aisling Franciosi (2ndR), Simone Kirby (3rdL) and Barry Ward (C), screenwriter Paul Laverty (R) and producer Rebecca O'Brien (2ndL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (3rdR), cast members Aisling Franciosi (2ndR), Simone Kirby (4thL) and Barry Ward (4thR), screenwriter Paul Laverty (R) and producer Rebecca O'Brien (3rdL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (3rdR), cast members Aisling Franciosi (2ndR), Simone Kirby (4thL) and Barry Ward (4thR), screenwriter Paul Laverty (R) and producer Rebecca O'Brien (3rdL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndR), cast members Aisling Franciosi (R), Simone Kirby (L) and Barry Ward (2ndL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndR), cast members Aisling Franciosi (R), Simone Kirby (L) and Barry Ward (2ndL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndR), cast members Aisling Franciosi (R), Simone Kirby (2ndL) and Barry Ward (C), and producer Rebecca O'Brien (L) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Yves Herman (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (2ndR), cast members Aisling Franciosi (2ndR), Simone Kirby (3rdL) and Barry Ward (C), screenwriter Paul Laverty (R), producer Rebecca O'Brien (2ndL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Director Ken Loach (C) and cast members Aisling Franciosi (2ndR), Simone Kirby (4thL) and Barry Ward (3rdL) pose on the red carpet as they arrive for the screening of the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Cast member Barry Ward attends a news conference for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT HEADSHOT)

Director Ken Loach (R) and cast member Barry Ward attend a news conference for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Regis Duvignau (FRANCE - Tags: ENTERTAINMENT) 

Cast members Simone Kirby (L) and Barry Ward pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

(L-R) Director Ken Loach, cast members Simone Kirby, Barry Ward and Aisling Franciosi pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Cast members Barry Ward (L) and Simone Kirby pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Benoit Tessier (FRANCE - Tags: ENTERTAINMENT)

Cast members Simone Kirby (L) and Barry Ward pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

(L-R) Director Ken Loach, cast members Simone Kirby, Barry Ward and Aisling Franciosi pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT)

Cast members Barry Ward (L) and Simone Kirby pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Benoit Tessier (FRANCE - Tags: ENTERTAINMENT)

(L-R) Cast members Aisling Franciosi, Barry Ward, Simone Kirby and director Ken Loach pose during a photocall for the film "Jimmy's Hall" in competition at the 67th Cannes Film Festival in Cannes May 22, 2014. REUTERS/Benoit Tessier (FRANCE - Tags: ENTERTAINMENT)