Conservative political commentator Laura Ingraham speaks at the Republican National Convention in Cleveland, Ohio, U.S. July 20, 2016. REUTERS/Mike Segar 

Florida governor Rick Scott speaks at the Republican National Convention in Cleveland, Ohio, U.S. July 20, 2016. REUTERS/Mike Segar 

British Prime Minister Theresa May attends a news conference following talks with German Chancellor Angela Merkel at the Chancellery in Berlin, Germany July 20, 2016. REUTERS/Stefanie Loos

Britain Cricket - England Nets - Lord's - 12/7/16
England's Alastair Cook during nets
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Britain Football Soccer - Tranmere Rovers v Liverpool - Pre Season Friendly - Prenton Park - 16/17 - 8/7/16
Liverpool manager Juergen Klopp and assistant coach Zeljko Buvac
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Britain Football Soccer - Tranmere Rovers v Liverpool - Pre Season Friendly - Prenton Park - 16/17 - 8/7/16
Liverpool's Pedro Chirivella
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Football Soccer - Portugal v France - EURO 2016 - Final - Stade de France, Saint-Denis near Paris, France - 10/7/16
Portugal's Ricardo Quaresma
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Football Soccer - Portugal v France - EURO 2016 - Final - Stade de France, Saint-Denis near Paris, France - 10/7/16
Referee Mark Clattenburg
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Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 7/7/16 Germany's Angelique Kerber reacts during her match against USA's Venus Williams REUTERS/Tony O'Brien 

German Chancellor Angela Merkel is seen during a meeting on EU summit results at the Bundestag in Berlin, Germany July 7, 2016. REUTERS/Hannibal Hanschke 

U.S. President Barack Obama and Democratic presidential candidate Hillary Clinton (R) hold a campaign in Charlotte, North Carolina, U.S. July 5, 2016. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

U.S. President Barack Obama smiles as he walks on the South Lawn of the White House during his departure to Charlotte, North Carolina, in Washington, U.S., July 5, 2016. REUTERS/Carlos Barria 

U.S. President Barack Obama waves as he walks on the South Lawn of the White House during his departure to Charlotte, North Carolina, in Washington, U.S., July 5, 2016. REUTERS/Carlos Barria 

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 4/7/16 Great Britain's Andy Murray's wife Kim before his match against Australia's Nick Kyrgios REUTERS/Andrew Couldridge 

Football Soccer - Euro 2016 - Wales Training - COSEC Stadium, Dinard, France - 4/7/16 - Ashley Williams during a Wales training session. REUTERS/Stephane Mahe 

Football Soccer - France v Iceland - EURO 2016 - Quarter Final - Stade de France, Saint-Denis near Paris, France - 3/7/16
France Head Coach Didier Deschamps
REUTERS/Christian Hartmann
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Football Soccer - France v Iceland - EURO 2016 - Quarter Final - Stade de France, Saint-Denis near Paris, France - 3/7/16
France Head Coach Didier Deschamps
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Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 3/7/16 Germany's Alexander Zverev reacts during his match against Czech Republic's Tomas Berdych REUTERS/Tony O'Brien 

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 3/7/16 Czech Republic's Tomas Berdych's wife Ester Satorova watches his match against Germany's Alexander Zverev REUTERS/Tony O'Brien 

Britain's Home Secretary, Theresa May, delivers a speech at RUSI (Royal United Services Institute) in London, Britain June 30, 2016. REUTERS/Dylan Martinez 

Manhattan businessman Morris Zukerman, accused of evading taxes, exits U.S Federal Court in the Manhattan borough of New York, U.S., June 27, 2016. REUTERS/Andrew Kelly

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 27/6/16 Germany's Angelique Kerber during her match against Great Britain's Laura Robson REUTERS/Andrew Couldridge 

Football Soccer - Euro 2016 - England Training - Stade des Bourgognes, Chantilly, France - 23/06/2016 England's Raheem Sterling in training REUTERS/Lee Smith 

Football Soccer - Euro 2016 - England Training - Stade des Bourgognes, Chantilly, France - 23/06/2016 England's Jamie Vardy in training REUTERS/Lee Smith 

Football Soccer - Euro 2016 - Switzerland Training - Stade de la Mosson, Montpellier, France - 23/6/16 - Switzerland's coach Vladimir Petkovic during training. REUTERS/Vincent Kessler

Football Soccer - Euro 2016 - England Training - Stade des Bourgognes, Chantilly, France - 23/06/2016 England's coach Roy Hodgson during training REUTERS/Lee Smith 

Cuillin Cox, the son of murdered Labour Party MP Jo Cox, arrives by boat to attend a special service at Trafalgar Square in London, Britain June 22, 2016. REUTERS/Toby Melville. TPX IMAGES OF THE DAY

Cuillin Cox, the son of murdered Labour Party MP Jo Cox, arrives by boat to attend a special service at Trafalgar Square in London, Britain June 22, 2016. REUTERS/Toby Melville

Football Soccer - Euro 2016 - GermanyTraining - Parc des Princes, Paris, France - 20/6/16 - Germany's Mats Hummels during training. REUTERS/John Sibley 

Football Soccer - Euro 2016 - Wales Training - Stadium Municipal, Toulouse, France - 19/6/16 - Wales' Gareth Bale during training. REUTERS/Vincent Kessler 

Football Soccer - Euro 2016 - Wales Training - Stadium Municipal, Toulouse, France - 19/6/16 - Wales' Gareth Bale during training. REUTERS/Vincent Kessler 

Britain Tennis - Aegon Championships - Queens Club, London - 16/6/16
Great Britain's Andy Murray during the second round
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Football Soccer - England v Wales - EURO 2016 - Group B - Stade Bollaert-Delelis, Lens, France - 16/6/16
England's Wayne Rooney and Wales' Gareth Bale
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Football Soccer - England v Wales - EURO 2016 - Group B - Stade Bollaert-Delelis, Lens, France - 16/6/16
England's Wayne Rooney
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A man wears Mickey Mouse ears after the opening ceremony at Shanghai Disney Resort in Shanghai, China, June 16, 2016. REUTERS/Aly Song TPX IMAGES OF THE DAY

A man wears Mickey Mouse ears after the opening ceremony at Shanghai Disney Resort in Shanghai, China, June 16, 2016. REUTERS/Aly Song 

Britain Tennis - Aegon Classic - Edgbaston Priory Club, Birmingham - 14/6/16
China's Shai Peng in action during her first round match
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Britain Tennis - Aegon Classic - Edgbaston Priory Club, Birmingham - 14/6/16
China's Shai Peng in action during her first round match
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Football Soccer - Euro 2016 - Slovakia Training Session - Futur Stade de Bordeaux, Bordeaux, France - 10/6/16 - Slovakia's Marek Hamsik attends a training session. REUTERS/Albert Gea 

A fan stands in front of a poster during China's premiere of the film "Warcraft" at a theatre in Shanghai, China June 7, 2016. REUTERS/Aly Song 

Tennis - French Open Men's Singles Final match - Roland Garros - Novak Djokovic of Serbia vs Andy Murray of Britain - Paris, France - 05/06/16. Andy Murray reacts. REUTERS/Benoit Tessier 

Tennis - French Open - Roland Garros - Tsvetana Pironkova of Bulgaria v Agnieszka Radwanska of Poland - Paris, France - 31/05/16. Agnieszka Radwanska reacts. REUTERS/Pascal Rossignol 

Ukrainian deputies applaud for pilot and MP Nadiya Savchenko as she attends her first session in the parliament after being freed from confinement in Russia as part of a prisoner swap, as former Prime Minister and leader of Batkivshchyna (Fatherland) party Yulia Tymoshenko (L) kisses with Parliament Speaker Andriy Parubiy (R) in Kiev, Ukraine, May 31, 2016. REUTERS/Gleb Garanich 

Football Soccer - Real Madrid Training - San Siro Stadium, Milan, Italy - 27/5/16
Real Madrid coach Zinedine Zidane and Cristiano Ronaldo during training
Reuters / Stefano Rellandini
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Football Soccer - Real Madrid Training - San Siro Stadium, Milan, Italy - 27/5/16
Real Madrid coach Zinedine Zidane and Cristiano Ronaldo during training
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Britain Football Soccer - England v Australia - International Friendly - Stadium of Light, Sunderland - 27/5/16
England manager Roy Hodgson and FA Director of Elite Development Dan Ashworth (L) inside the stadium before the game
Reuters / Russell Cheyne
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Britain Cricket - Sri Lanka Nets - Emirates Durham ICG - 25/5/16
Sri Lanka's Dinesh Chandimal during nets
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Britain Football Soccer - England Training - Manchester City Football Academy - 25/5/16
England's Marcus Rashford arrives for training
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Britain Golf - BMW PGA Championship - Wentworth Club, Virginia Water, Surrey, England - 25/5/16
Niall Horan celebrates after holing a putt during the Pro-Am
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Britain Golf - BMW PGA Championship - Wentworth Club, Virginia Water, Surrey, England - 25/5/16
Niall Horan celebrates after holing a putt during the Pro-Am
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Britain Boxing - David Haye v Arnold Gjergjaj - O2 Arena, London - 21/5/16
Jose Mourinho ringside before the fight
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Director Paul Verhoeven attends a news conference for the film "Elle" in competition at the 69th Cannes Film Festival in Cannes, France, May 21, 2016. REUTERS/Regis Duvignau 

Actress Isabelle Huppert attends a news conference for the film "Elle" in competition at the 69th Cannes Film Festival in Cannes, France, May 21, 2016. REUTERS/Regis Duvignau 

Actress Isabelle Huppert attends a news conference for the film "Elle" in competition at the 69th Cannes Film Festival in Cannes, France, May 21, 2016. REUTERS/Regis Duvignau 

Britain Football Soccer - Hull City v Derby County - Sky Bet Football League Championship Play-Off Semi Final Second Leg - The Kingston Communications Stadium - 15/16 - 17/5/16
Hull's Andrew Robertson
Action Images via Reuters / Ed Sykes

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Singer Katy Perry attends an auction during the amfAR's Cinema Against AIDS 2016 event during the 69th Cannes Film Festival in Antibes, near Cannes, France, May 19, 2016. REUTERS/Jean-Paul Pelissier

Singer Katy Perry attends an auction during the amfAR's Cinema Against AIDS 2016 event during the 69th Cannes Film Festival in Antibes, near Cannes, France, May 19, 2016. REUTERS/Jean-Paul Pelissier

Cast member Adele Haenel attends a news conference for the film "La fille inconnue" (The Unknown Girl) in competition at the 69th Cannes Film Festival in Cannes, France, May 18, 2016. REUTERS/Jean-Paul Pelissier 

Cast member Jeremie Renier attends a news conference for the film "La fille inconnue" (The Unknown Girl) in competition at the 69th Cannes Film Festival in Cannes, France, May 18, 2016. REUTERS/Jean-Paul Pelissier 

Cast member Jeremie Renier attends a news conference for the film "La fille inconnue" (The Unknown Girl) in competition at the 69th Cannes Film Festival in Cannes, France, May 18, 2016. REUTERS/Jean-Paul Pelissier