McCain denies dropping START support over gay ban
60 votes required to invoke cloture on bill
Brown, Murkowski, Snowe announce support
Will the Senate follow suit before time is up?
SLDN calls for Marine Corps general's resignation
But GOP aide warns ‘minefields’ await
House could vote on legislation on Wednesday
Lawsuit challenges constitutionality of gay ban
Demonstrators demand Senators extend session
President says vote not 'the end of our efforts'