Grassroots group tells Justices: 'don't be on the wrong side of history'
Hollingsworth v. Perry appeal challenges California's anti-gay constitutional amendment known as Prop 8
Standing issues make up considerable portion of questioning at court hearing
Last week Blade reporter appeared on Google+ hangout discussing Supreme Court cases
Showdown at the Supreme Court draws supporters, opponents from all over the U.S.
Herrera played key role in challenging Prop 8
ABC News/Washington Post survey comes on same day Hillary Clinton backed issue
What will the Supreme Court Justices be hearing about gay marriage leading up to the hearings?
HRC, Marriage Equality USA and GLAAD are among organizers
Justices allow nearly two hours for merits, jurisdictional questions on DOMA
