The federal appeals court in San Francisco was scheduled to hear two hours of arguments Monday about the voter-approved ban known as Proposition 8. A trial court judge overturned the measure as a violation of gay Californians' civil rights in August. The legal fight over California's same-sex marriage ban went before a federal appeals court in a televised hearing that reached a nationwide TV audience anxious for a final decision on whether the measure violates the U.S. Constitution.