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The GOP establishment lane is crowded — and flawed

Christie's campaign is up with a TV ad responding to this week's attack from Rubio's Super PAC, which essentially threw the kitchen sink at the New Jersey

Republican presidential candidate, New Jersey Gov. Chris Christie, speaks at the RedState Gathering, Aug. 7, 2015, in Atlanta, Ga. (Photo by David Goldman/AP)
Republican presidential candidate, New Jersey Gov. Chris Christie, speaks at the RedState Gathering, Aug. 7, 2015, in Atlanta, Ga.AP

Chuck Todd

Chuck Todd is NBC News' chief political analyst and the former moderator of "Meet The Press."

Mark Murray