SAN FRANCISCO -- A federal judge is deciding whether a gay judge's ruling to strike down California's same-sex marriage ban should be overturned because he failed to divulge his own marital intentions before throwing out the voter-approved measure.Chief U.S. District Judge James Ware said he would issue a decision within 24 hours after a hearing Monday in which lawyers trying to salvage the ban posed an unprecedented legal argument questioning Judge Vaughn Walker's impartiality when he issued last year's landmark ruling that Proposition 8 was unconstitutional.Read More... More on Marriage