Austrian far-right candidate Norbert Hofer (L) and his rival Alexander Van der Bellen attend a post-selection TV talk with in Vienna on Dec. 4, 2016. Austrian far-right candidate Norbert Hofer on Sunday congratulated his opponent in presidential elections after projections indicated that he had lost. Helmut Fohringer/AFP/Getty Images hide caption
Hillary Clinton and Donald Trump will debate for the last time before Election Day on Wednesday in Las Vegas. Drew Angerer/Getty Images hide caption
A poll of psychiatrists about the mental fitness of Barry Goldwater, Republican nominee for president in 1964, led to the creation of a rule that discourages doctors from public diagnoses. William Lovelace/Hulton Archive/Getty Images hide caption
Republican presidential candidate Donald Trump speaks during a campaign rally in Des Moines, Iowa, last Friday. Charlie Neibergall/AP hide caption
The State Department released the largest batch yet of emails from Hillary Clinton's time as secretary. Cheryl Senter/AP hide caption
Republican presidential candidate Ben Carson campaigning in Colorado last month. Justin Sullivan/Getty Images hide caption
Democratic presidential candidate and former Secretary of State Hillary Clinton testifies before the House Select Committee on Benghazi. Chip Somodevilla/Getty Images hide caption
Republican presidential candidate Carly Fiorina walks the streets of Manchester, NH with Mayor Ted Gastas. Gastas has also campaigned with three other GOP candidates this year. Brady Carlson/New Hampshire Public Radio hide caption
Consumer advocate Ralph Nader poses in front of a Chevrolet Corvair in the American Museum of Tort Law in Winsted, Conn. Nader featured the Corvair in his 1965 book on the auto industry's safety record, Unsafe At Any Speed. Jessica Hill/AP hide caption
Republican presidential candidates Jim Gilmore, Lindsey Graham, Bobby Jindal and Rick Perry participate in a pre-debate forum Aug. 6 in Cleveland. The event gave airtime to seven candidates whose polling numbers were below a top-ten cutoff Fox News set to participate in the main debate. John Minchillo/AP hide caption
Jimmy McMillan shown in this Oct. 28, 2010 photo, founded The Rent Is Too Damn High Party. Richard Drew/AP hide caption
