David Cameron congratulates Trump on emerging as the de facto GOP nominee.
The Democratic Party will hold public meetings and allow platform feedback online.
" I mean, he has given me such great lines on her."
McConnell said that America's political machinery prevents "big mistakes."
However, "I think he can get a better candidate," Jeff Sessions says.
“I wanted my grandkids to see that I couldn’t simply ignore what Mr. Trump was saying and doing."
Trump is speaking to supporters at a rally in Fresno, Calif.
"It's not going to hurt Donald as he's already got the nomination," he said.
Sarah Ferris 05/27/16 12:00 PM EDT
Cruz is promising to hold Trump’s feet to the fire on abortion.