Vote on measure is 53-42, short of 60-vote requirement
Second-time candidate once decried open service for gays in the military
Policy change mirrors decision made by Army months ago
Earnest appears to walk back earlier support for ending policy
2016 hopeful pledges to lift U.S. military ban on transgender service
Attorney argued for marriage equality before the Supreme Court
House speaker counting votes in aftermath of Senate action
'Omission of gender identity protection is objectionable, but not surprising'
Earnest says Obama not concerned about loser Twitter record to trans athlete
Only identified group to oppose decision for same-sex marriage is Republicans
