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Click image to see more photos. (Reuters/Benjamin Myers) At an event that was long past his campaign's expiration date, Newt Gingrich ended his presidential campaign at a press conference Wednesday afternoon in Virginia. "Today I am suspending the campaign, but suspending the campaign does not mean suspending citizenship," Gingrich said. He thanked Rick Perry, Herman Cain and casino mogul and super PAC donor Sheldon Adelson, among others. Gingrich said of South Carolina, where he won the Republican presidential primary, that he had "broken their tradition of always picking the nominee" and will always feel "slightly guilty" when traveling there. At the end of his remarks, he tepidly endorsed the presidential candidacy of Mitt Romney. "I'm asked sometimes, Is Mitt Romney conservative?" Gingrich said. "And my answer is simple: Compared to Barack Obama? This is not a choice between Mitt Romney and Ronald Reagan. This is a choice between Mitt Romney and the...