Democrats hoping to hang onto one-seat majority in Senate
NOM praises Texas guv as 'marriage champion'
Romney, Bachmann, Santorum pen their names to document
Marriage equality has been in effect for over 24 hours in New York state, and hundreds of couples have already taken advantage
Democratic lawmakers hammer anti-gay activist
Gay nuptials legal in both early voting states
But Congress unlikely to overturn law anytime soon
Group can instruct House General Counsel to take legal action
Controversial Clinton-era law deemed unconstitutional
GOP Senate leader steps down over civil unions flap