Trump is delivering the keynote speech in San Francisco on Friday afternoon.
“I would never vote for Ted Cruz,” former Sen. Judd Gregg (R-N.H.) said.
"I’m not against anybody but I will be voting for Ted Cruz in the upcoming Republican primary."
Pence is slated to make a "significant announcement" on a radio show Friday.
The Indiana paper knocks both Trump and Cruz.
About 20 people were arrested after the event in Costa Mesa, Calif.
"Neither Hillary Clinton nor Donald Trump will fight the system, because they are the system."
"We’ll win places that a lot of people say you’re not going to win, that as a Republican you can’t win.”
Cruz said the attacks were another example of the GOP establishment targeting him.
" Obama understands that you build strong, tall, beautiful walls to keep people out who don't belong."