MURFREESBORO, Tenn. (AP) - U.S. Sen. Bob Corker says an effort by fellow Republicans to threaten a government shutdown over President Barack Obama's health care law is losing steam and that most of his Senate colleagues who signed on to the measure now regret they did.

Corker said at a Rotary Club meeting in Murfreesboro on Tuesday that the idea is "self-defeating" because a government shutdown would not halt spending for most of the health care program, while it would at the same time have negative consequences like halting military pay.

Corker said of the dozen colleagues who signed on to the proposal, there are "probably only about three or four that really wish they were still on it."

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