By Caren Bohan and Paul Simao
WASHINGTON (Reuters) - Republican Senator Kelly Ayotte on Sunday threw her support behind a sweeping U.S. immigration bill, calling it a "thoughtful" reform that would ease the burden of illegal immigration and allow companies to more easily hire qualified workers.
Support from Ayotte, who has been courted by the bill's backers, could pave the way for other Republicans to endorse the measure in the Senate, where a vote is expected by the end of June.
"Our immigration system is completely broken," Ayotte, of New Hampshire, told CBS' "Face the Nation" program. "This is a...