Immigration reform must include LGBT couples
Tens of thousands are expected to gather at the U.S. Capitol
Immigration Equality executive director spoke two days before immigration reform march
Cites 'legal advice' stipulating DHS can't place marriage-based green cards on hold
Vice President says administration 'made it clear' it should be done
Group seeks to aid bi-national couples as issue moves to the spotlight
Proposal 'treats same-sex families as families'
LGBT immigration group 'extremely disappointed' with proposal
White House sounds amenable, but divided Congress an obstacle
13 senators again make request to place marriage-based green cards on hold
