public. "today in the bay's" arturo santiago is in the newsroom with what's ahead on the fight over gay marriage >>> both sides of this debate are finally getting their day in the court arguing in front of the supreme court of the united states. the court will hear a challenge to prop 8 which defines marriage as between one man and one woman. that challenge will be heard tomorrow. people, as you have said, have been camping outside the supreme court for days trying to get a seat to get in. back in 2004, then mayor of san francisco, gavin newsom ordered them to issue marriage licenses to same-sex couples. six months later, they invalidated same-sex unions. four years later, the same state supreme court overturned california's ban on same-sex marriage. that ruling was short lived as voters passed proposition 8. tomorrow, supporters and opponents of same-sex marriage