Tim Pawlenty

Newt Gingrich

Marco Rubio

Donald Trump

Scott Brown

Chris Christie

Haley Barbour

Rick Santorum

Jim DeMint

Bobby Jindal

John Thune

John Bolton

Jeb Bush

Sarah Palin

Mitch Daniels

Rick Perry

Mike Pence

David Petraeus

Mike Huckabee

Paul Ryan

Mitt Romney

Ron Paul

Other: