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Sen. Tom Cotton makes a splash
Freshman Sen. Tom Cotton, R-Ark., boosted his profile this week when he spearheaded a controversial letter to Iran signed by dozens of his Republican colleagues. The Briefing looks at why Cotton appeals to both party leaders and the conservative wing.
Bresnahan:Newt Gingrich was most important rep09:08
Inside Paul Ryan’s media plan08:44
GOP Whip on Obama’s ISIS strategy04:22
Rep. McCaull on terror threats facing U.S.07:57
GOP plans next move at congressional retreat07:59
Infighting grows among GOP candidates13:39