Richard Shiro / AP
Republican presidential candidate Newt Gingrich speaks at Tommy's Ham House in Greenville , S.C., on Wednesday.
GOP hopefuls Mitt Romney and Newt Gingrich have begun to engage each other with gentle jabs, suggesting they now see the nomination as a two-man race. Meanwhile, Herman Cain tried to rally enough support to stay in the race. NBC's Lisa Myers has more.
Republican presidential candidate Newt Gingrich is attracting large crowds in South Carolina. He has traveled across the state appearing at a number of town-hall style meetings. NBC's Ali Weinberg reports.