The likely 2016 candidate is condemning Rand Paul for his opposition to NSA spying.
"ISIS exists and grew stronger because of the hawks in our party," he said.
The Hill asked lawmakers, former members and strategists what they think of the GOP field.
The liberal firebrand rallied hordes of supporters during the formal launch in Vermont.
The presidential candidate said the U.S. is at the "water’s edge" of a dangerous position.
Rebecca Shabad 05/26/15 03:36 PM EDT
The Wisconsin governor is expected to run for president next year.
Walker hinted he's willing to let Rubio and Bush duke it out for their home state.
The Wisconsin governor assailed talks with a nation that “wishes to wipe Israel off the map.”
"We're going to do better than people think," the presidential candidate said.
Paul helped scuttle compromise to reauthorize government surveillance programs.