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Cochran and Rangel may have won, but what can they do now?

You could argue that Thad Cochran and Charlie Rangel won Pyrrhic victories last night. Sure, they won, but what can they do now?

U.S. Senator Thad Cochran addresses supporters during an election night celebration in Jackson, Mississippi
Republican U.S. Senator Thad Cochran addresses supporters during an election night celebration after defeating Tea Party challenger Chris McDaniel in a run-off election in Jackson, Miss on June 24, 2014.REUTERS

Steve Kornacki

Steve Kornacki, author of "The Red and the Blue: 1990s and the Birth of Political Tribalism," is a national political correspondent for NBC News and MSNBC.