U.S. Democratic presidential candidate Hillary Clinton gives a thumbs up as she boards her campaign plane in White Plains, New York, United States September 15, 2016. REUTERS/Brian Snyder

Terry McAuliffe stands onstage during a campaign rally in Dale City, Virginia, October 27, 2013. REUTERS/Jonathan Ernst/File Photo

Guatemala's President Jimmy Morales participates in a joint news conference with El Salvador's President Salvador Sanchez Ceren at the presidential house in San Salvador, El Salvador April 11, 2016. REUTERS/Jose Cabezas

Brazilian President Michel Temer arrives arrives to attend the G20 Summit in Hangzhou, Zhejiang province, China, September 4, 2016. REUTERS/Rolex dela Pena/Pool

Football Soccer - Viktoria Plzen v AS Roma - UEFA Europa League group stage - Plzen, Czech Republic - 15/09/2016. AS Roma's Federico Fazio and Viktoria Plzen's Marek Bakos during the match. REUTERS/David W Cerny

Football Soccer - Maccabi Tel Aviv v Zenit St. Petersburg - Europa League group stage match - Netanya Municipal Stadium, Netanya, Israel - 15/09/16. Maccabi Tel Aviv's Tal Ben Chaim and Zenit St. Petersburg's Lu’s Neto in action. REUTERS/Baz Ratner

Football Soccer - Viktoria Plzen v AS Roma - UEFA Europa League groupstage - Plzen, Czech Republic - 15/09/2016. AS Roma's Juan Iturbe and Viktoria Plzen's David Limbersky during the match. REUTERS/David W Cerny

Football Soccer - Viktoria Plzen v AS Roma - UEFA Europa League groupstage - Plzen, Czech Republic - 15/09/2016. AS Roma's Juan Jesus and Viktoria Plzen's Jan Kopic during the match. REUTERS/David W Cerny