“This is happening on the worst possible day for him,” said a Trump adviser.
They characterized the sit-down as a "positive step toward unification."
A rabbi, a priest and a Republican presidential candidate walk into a bar...
Everything is terrifying and we're all going to die.
The network's Alisyn Camerota later said she was "stunned" by the candidate's hostility.
The NBC/Wall Street Journal poll suggests Donald Trump's claim to the title "front-runner" may be softening.
Proposals include drawing straws and gaining veto power over who moderates.