By Justin Sink
Trump will join former Republican presidential candidate Mitt Romney — who he vocally backed in last year's election — and a number of other Republican stars at the event. The speaking list includes Texas Gov. Rick Perry, Louisiana Gov. Bobby Jindal, Wisconsin Gov. Scott Walker, Sen. Marco RubioMarco RubioNorth Korean official calls Trump idea of meeting 'nonsense' Senate candidate taunts Sanders: Why don't you endorse Alan Grayson? Carson: 'I would not want to be on the ticket or in the Cabinet’ MORE (R-Fla.), Sen. Rand PaulRand PaulWill Ted Cruz let it go? 5 takeaways from the rush for campaign cash Paul calls for end of gun-free zones MORE (R-Ky.) and Rep. Paul RyanPaul RyanGOP leaders rip VA chief over Disneyland comparison Tough choices in Puerto Rico 178 Dems demand end of Planned Parenthood probe MORE (R-Wisc.). Former lawmakers like Florida Gov. Jeb Bush and Sen. Rick Santorum (R-Pa.) will also speak at the conference.