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.
The Clintons marched behind veterans at a parade in their adoptive hometown.
“We need serious discussion about serious issues," the White House candidate said.
“This thing has been studied to death," Julian Castro said.
The GOP presidential candidate blamed the NSA's phone data collection program.
Rubio said Clinton's ideas "play by the rules of yesterday's economy."
Christie said he was the "only person in this national conversation" to use the Patriot Act.