"Let’s actually get behind a proposal that has a chance of succeeding," she said.
"I’m not a debater,” the GOP presidential hopeful said.
Trump told The Hill in an interview that producers were "begging" him to appear.
"I have to deal with reality," said the former Texas governor.
Michael Glassner will serve as the national political director for his presidential campaign.
Pollster defends methodology behind the poll that shows Trump ahead.
“Immigration and border security must be addressed," he writes in op-ed.
Super-PAC fundraising puts him in the mix with Walker, Rubio, Perry and Christie.
The former governor said the next president shouldn't be someone who hasn't held office.
Despite leading the field, Trump has the worst favorability score among the GOP field.