Well, it's possible that the new infusion of ad money against Donald Trump kept his margins in Kentucky and Louisiana down a bit. But we're also seeing something that we've never seen in 100 years, which is we are seeing the crackup of a major American political party.

Even if [Donald] Trump concedes, some of his supporters have promised to take up arms against [Hillary] Clinton.

The aftermath of this extraordinary election [2016] could be just as surprising as the race itself.

[Mike] Bloomberg aides says he's more likely to run if it's [Donald]Trump or [Ted] Cruz versus Sanders, then there would, presumably, be space in the middle for him. But he's less likely to go if Hillary Clinton is the nominee.

Donald Trump is a candidate who divided his own party more deeply than any presidential candidate has before.

Obama's even keel sometimes comes across as aloof or even cold.

After months and months at the top of the polls, there is a real possibility that Donald Trump could be the nominee.