Levin, Smith urge Hagel to clarify 'all married military couples must be treated equally'
Lawyers argued against Proposition 8 before the U.S. Supreme Court
Announcement comes day after 33 county clerks ask justices for final judgment
Respondent prosecuted after infecting partner through consensual unprotected sex
Two lesbian couples file suit against commonwealth's gay ban
Commonwealth among 29 states without LGBT-inclusive statewide anti-discrimination law
Seven same-sex partners seek benefits and legal protections afforded to married heterosexual couples
Federal judge blocked state rule barring public entities from providing health insurance to same-sex partners
Plans announced for litigation in Pennsylvania, North Carolina and Virginia
One expert says HRC's goal 'completely unrealistic'