Thunk Ow News Today

>> thunk ow turning to a growing political feud over homeland security, the rhetoric, heating up over the obama administrations response to last christmas days terror attempt. john brennan accusing some republicans of using it as quote, a political football. the white houses top counterterrorism advisor also vig lusly defending the governments handling of the so-called underwear bomber in the wake of the failed plot. caroline shively has more from washington. . >> reporter: julie, the top counte...