Obama admits health care overhaul may die on Hill

The president's newly conflicting signals could frustrate Democratic lawmakers who are hungry for guidance from the White House as they try to salvage the effort to extend coverage to millions of uninsured Americans and hold down spiraling medical costs. Obama's comments Thursday night came hours after Republican Scott Brown was sworn in to replace the late Edward M. Kennedy, leaving Democrats without their filibuster-proof majority in the Senate, and Obama's signature health legislation with no clear path forward.