"The system is what the system is," added Utah Democratic Party Chairman Peter Corroon.
Nearly half of all Americans view him favorably in a new survey.
"He was in Congress and voted for it, and she supported it as first lady.”
"We've had one narcissistic, thin-skinned guy as president," Rep. Louie Gohmert (R-Texas) added.
And 85 percent of Trump's supporters said "America has lost its identity."
Sanders said a win in Wisconsin's Democratic presidential primary would help him take New York.
"I don't have a bad word to say about Bernie Sanders or Hillary Clinton," he added.
“People put my name in this thing, and I say, 'Get my name out of that,'” he said.
"We're probably going to lose millions of votes here," Sanders joked of his stance.
Sanders believes he can beat Clinton in his home state's primary.
John Podesta said an "administrative error" shouldn't keep Sanders off the ballot.
“Donald Trump is not ready to be commander in chief," Kasich said.
"My vote goes wherever Trump goes," Colorado's Larry Lindsey says.
"Hillary Clinton put classified information on a server that was not secure," Michael Mukasey said.
Over a third fret "a great deal" over the issue, a new poll said.
“Cruz a year ago would have been seen as the outsider," Gingrich said.
The ad pokes fun at campaigns' attempts to personalize their candidate.
“You have people, I believe, who do not understand how hard it is to make change," he said.
The memo also lashed out at media coverage of Trump's campaign.
Cruz spoofed Obama for calling the deal "a success of diplomacy."
"They focus attention and help to certain people," he said.
Sanders's haul for March breaks his previous record of $43.5 million raised in February.
Carson added Trump is "not well-schooled in political speak."
Sanders has new momentum after winning five of six recent contests.