PoliticsNation with Al Sharpton 02/28/16

Is Trump winning because of his simple message?

Marco Rubio is now hitting back at Donald Trump with a sustained personal line of attacks, but is it too late? And if Trump wins the nomination, will Republicans run negative ads against him? The Washington Post's Dana Milbank and GOP strategist Susan Del Percio join to discuss. ... more Duration: {{video.duration.momentjs}}