Combination photo shows former Vice President Mike Pence, left, and former President Donald Trump.

Pence slams Trump's stance on abortion as 'a slap in the face'

The former vice president said Trump is seeking to "marginalize the cause of life" by refusing to support a national abortion ban.

1:21Former President Donald Trump

Trump says abortion rights should be left to states

1:36Former President Donald Trump, right, stands with Melania Trump, left, as they arrive for a GOP fundraiser, Saturday.

Trump's campaign said it raised $50 million at high-dollar fundraiser

9:50Madison Fernandez with Politico and Nate Reed with Scripps News

Inside the Race: GOP fundraising in March, issues impacting campaigns