Former French president and head of the conservative Les Republicains political party Nicolas Sarkozy leaves the podium during a meeting organized by young party members in Nice, July 19, 2015. REUTERS/Jean-Pierre Amet

U.S. President George W. Bush boards Air Force One after speaking about Hurricane Katrina's damage to the nation on network television from Jackson Square in New Orleans, September 15, 2005. Bush believes the vision for rebuilding should be "locally inspired," but that the country as a whole needs to be committed to that longer-term effort. The president will continue to the White House following the speech. Pictures of the Year 2005 REUTERS/Larry Downing LSD/PEK/DH 

U.S. President Barack Obama wipes his face as he speaks at a campaign event at Iowa State University in Ames, Iowa, August 28, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY) 

Venezuelan President Hugo Chavez has his face wiped during his weekly broadcast 'Alo Presidente' in the town of San Jose de Tiznados, in the central state of Guarico, January 13, 2008. The talk show hosted by Chavez and broadcast on Venezuelan state-owned television on Sundays reached programme number 300 this week. The show features Chavez addressing topics of the day and touring locations where government social welfare programmes are active. REUTERS/Jorge Silva (VENEZUELA) 

Pakistani President Pervez Musharraf wipes perspiration off his face during a news conference in Islamabad November 11, 2007. Musharraf, under pressure from rivals and Western allies to put Pakistan back on a path to democracy, said on Sunday a general election would be held by early next year. REUTERS/Faisal Mahmood (PAKISTAN) 

Israeli Prime Minister Ariel Sharon (L) wipes perspiration from his
face as he listens to remarks by U.S. President George W. Bush during a
news conference in the Rose Garden, July 29, 2003. Sharon said Israel
would press ahead with the construction of a West Bank security fence
that Bush has called an obstacle to peace in the Middle East.
REUTERS/Mike Theiler

MT 

Venezuela's President Nicolas Maduro wipes the sweat from his forehead in a news conference after voting in a polling center in Caracas, June 28, 2015. Venezuela's ruling socialists held primaries on Sunday ahead of December's parliamentary election they are forecast to lose due to a biting recession and discontent with the late Hugo Chavez's uncharismatic successor.
REUTERS/Jorge Dan Lopez 

Greek Prime Minister and leader of the conservative New Democracy party Antonis Samaras wipes the sweat from his forehead as he addresses supporters during a campaign rally in Athens January 23, 2015. REUTERS/Alkis Konstantinidis (GREECE - Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY) 

France's First Lady Carla Bruni-Sarkozy wipes the brow of her husband, France's President Nicolas Sarkozy, as they visit a market in Fort-de-France on the Martinique island January 8, 2011. Sarkozy and his wife travel to Martinique and Guadeloupe to deliver New Year's address to French overseas territories before a meeting with the U.S. President in Washington on Monday. REUTERS/Philippe Wojazer (MARTINIQUE - Tags: POLITICS ENTERTAINMENT IMAGES OF THE DAY) 

Venezuela's President Hugo Chavez wipes his perspiration after arriving from Cuba at Simon Bolivar airport in Caracas March 16, 2012. Smiling and embracing supporters, Chavez flew home on Friday after surgery in Cuba for cancer that will require him to have radiation therapy ahead of October's re-election bid. REUTERS/Jorge Silva (VENEZUELA - Tags: POLITICS HEALTH) 

People of Freedom (PDL) party member and former Prime Minister Silvio Berlusconi wipes his forehead as he attends the Upper house of the parliament in Rome, April 30, 2013. Italian Prime Minister Enrico Letta won his first vote of confidence in parliament on Monday after promising to press for a change to the European Union's focus on austerity and pursue economic growth and jobs. REUTERS/Giampiero Sposito (ITALY - Tags: POLITICS) 

Toronto Mayor Rob Ford wipes his face during council at City Hall in Toronto, November 13, 2013. Toronto's embattled mayor, Rob Ford, insisted on Wednesday he has zero tolerance for drugs and gangs, but also admitted he has bought illegal drugs in the past two years. REUTERS/Mark Blinch (CANADA - Tags: POLITICS CRIME LAW) 

U.S. Republican presidential candidate and former Massachusetts Governor Mitt Romney wipes sweat off his face as he departs his Nevada caucus night rally in Las Vegas, Nevada, February 4, 2012. REUTERS/Rick Wilking (UNITED STATES - Tags: POLITICS ELECTIONS) 

Former U.S. Vice President Al Gore wipes his forehead as he waits to speak at a presentation on melting ice and snow at the UN Climate Change Conference 2009 in Copenhagen December 14, 2009. REUTERS/Bob Strong (DENMARK - Tags: ENVIRONMENT HEADSHOT) 

Contender for leadership of Britain's opposition Conservative party David Cameron wipes his forehead after delivering his keynote speech at the annual party conference in Blackpool in northern England October 4, 2005. REUTERS/Ian Hodgson 

A sweating Prime Minister Benjamin Netanyahu answers questions towards the conclusion of a press conference he called in his offices May 16 following the announcement by Center party leader Yitzhak Mordechai that he was withdrawing as a prime ministerial candidate in the May 17 general elections. With pre-election polls showing Netanyahu trailing Ehud Barak of the One Israel party Netanyahu lashed out at Mordechai asking, "Where is your credibility?" and painted both Barak and Mordechai as left-wingers who would sell out Israel on security matters. The former army general's exit dramatically raised the chances that right-wing Prime Minister Netanyahu would lose to Barak in the first round of voting tomorrow.

JWH/CLH/ 

U.S. President Bill Clinton sweats heavily as he addresses a crowd at the Joseph Lanzetta School in East Harlem, NY, June 16. Clinton is participating in a VH1 Save the Music event to encourage music and art education commitments.

MT/JP