Police highlighted three unsolved trans murders at event
Longtime partners accept Medal of Freedom on their behalf
Republicans 'do not walk in lockstep' on issue
16 states and D.C. now allow gay nuptials
Parliamentarians approved measure in first of three votes
Stabbing occurred on Capitol Hill in 2012
LGBT activists join campaign to persuade Clinton to run in 2016
Gubernatorial candidate said plan would help fund pre-K education
Boehner won't bring up bill; White House continues to withhold executive order
Ceremony is first under new law allowing mayor, Council to perform marriages
