Was Thursday’s Debate the Beginning of the End For Donald Trump? [VIDEO]

The entire exchange took less than a minute, but pundits and analysts across the political spectrum are saying - again - that this is the beginning of the end for Donald Trump.

Senator Marco Rubio, maybe for the first time in any debate, went after the frontrunning Trump in a back and forth that resembled an episode of "Real Housewives of Atlanta" more than a Presidential debate.