Gay Marriage Federal

Gay Marriage Federal
Attorney Theodore Olson, left, speaks in front of attorney David Boies, right, during a news conference in San Francisco, Monday, Jan. 11, 2010. Olson is representing same-sex couple Kristin Perry and Sandra Stier. Boies is representing same-sex couple Jeff Zarrillo and Paul Katami. The first federal trial to determine if the U.S. Constitution prohibits states from outlawing same-sex marriage gets under way in San Francisco on Monday, and the two gay couples on whose behalf the case was brought will be among the first witnesses. (AP Photo/Paul Sakuma)