The Texas senator hopes the endorsement will give him a boost in the critical Indiana primary on Tuesday. But that could be undercut by Pence's kind words for Trump.
Hundreds of protesters filled the streets outside the Pacific Amphitheater, where Donald Trump spoke as his presidential campaign gets rolling ahead of California's June primary.
In the past 24 hours alone, the whiplash between what rival-turned-uneven-surrogate Ben Carson called the "two different Donald Trumps" was on bold display.
The New York billionaire's speech was short on specifics, but was more subdued and serious than often seen on the campaign trail, a sign of Trump's attempt to project a presidential tone.
Trump says Clinton is playing the woman card, but gender shouldn't play a huge role in a November race (and Democrats always win the women's vote these days, anyway).
The "major announcement" from the Texas senator is a last-ditch effort designed to shake up the GOP primary race, one in which he badly trails front-runner Donald Trump.
Barring something extraordinary happening, Hillary Clinton will be the Democratic nominee. That would make her the first woman to top a major party ticket.
On the Democratic side, it's all but done. The former secretary of state now has 90 percent of the delegates needed to be the nominee. For the GOP, Trump is now the only one who can win a majority.
Donald Trump is projected to win all five states that voted Tuesday. Hillary Clinton wins in Maryland, Delaware and Pennsylvania, while Bernie Sanders is victorious in R.I., per The Associated Press.