A student displays a banner with one of the slogans chanted by the crowd of some 200,000 pouring into Tiananmen Square in Beijing on April 22, 1989. Catherine Henriette/AFP/Getty Images
Newt Gingrich is an author, commentator, and former Georgia congressman who was the 50th speaker of the U.S. House of Representatives from 1995 to 1999. He ran as a Republican presidential candidate in 2012.