"That means you’re doing something right,” Rubio said.
"I always have to remind people that this is really early in the process," he added.
"It was a great moment," Trump added of his supporter's words.
“In a certain way, evil,” Trump responded when Clinton’s name appeared.
Trump called former President Bill Clinton "intelligent" and said Jeb Bush was a "loser."
"I’m really cool with whatever happens here. I’ve always been zen.”
Most Democrats see her as the eventual nominee, pollsters found.
Trump commands a 15-point national lead in new online poll.
Kasich had three votes, while Sanders had four.
With so many storylines at play, here’s a look at seven things to watch.