President Michelle Bachelet plans to sign measure
Final vote on measure expected before end of the month
Cher’s trans son accuses congregation of misusing his photo
Measure seeks to end ‘historic discrimination’ against gay couples
U.S., other governments accused of imposing views
Supporters say measure ‘strengthens’ families
Proposal passed by 25-14 vote margin; seven countries abstained
U.S. among countries to back proposal
Victory Fund co-organizing gathering
LGBT advocates describe vote as ‘step forward’
