The haul for Security is Strength puts Graham near the bottom of the GOP field.
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.
Peter Sullivan 07/30/15 11:07 AM EDT
The senator railed against drug companies at a rally outside the Capitol.
Pollster defends methodology behind the poll that shows Trump ahead.
“Immigration and border security must be addressed," he writes in op-ed.
Clinton tells The Skimm one of her weaknesses is impatience.
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.