Carson gave lawmaker assurances HUD would keep LGBT rule
New 14-bed house arrives in June
Grosso tries again but bill faces uphill battle
Challenger opposes same-sex marriage, LGBT adoptions
Nielson also represented National Rifle Association
2020 hopeful said to bring in $75,000 at event
Gay troops expelled under 'Don't Ask' also covered
Proposal undermines Obama-era policy issued by Julian Castro
Film chronicles purge of gay federal workers
Thousands participate in annual D.C. commemoration