For the Moment It's Trump and Clinton, but How Long Will It Last?

The Super Tuesday showdowns are over, and the New York Times' summary of the results reads, "Democrats are falling in line. Republicans are falling apart." Bernie Sanders says he'll stay in the race, but Hillary Clinton is no longer feeling "the Bern." Donald Trump won enough Republicans in enough states to declare, "I am a unifier." But Republican Party leaders are saying, "Not so fast," and are looking for ways to run Trump's bandwagon off the highway. We update the latest political traffic on the road to the White House.