Sen. Jim DeMint (R., S.C.) announced today that his bill to repeal Obamacare now has 43 Republican cosponsors (including DeMint himself). A recent addition to the list is Sen. Lisa Murkowski (R., Alaska), who must be having seconds thoughts after suggesting that a Senate vote on repeal would be a waste of time.

That leaves the following four GOP Senators who have yet to sign on to the bill:

Lamar Alexander (R., Tenn.), Thad Cochran (R., Miss.), Susan Collins (R., Maine) and Chuck Grassley (R., Iowa).

UPDATE: Sen. Alexander is officially on board, his spokesman tells NRO.

UPDATE II: DeMint now says all 47 GOP Senators have signed on.