Possible outcomes in SCOTUS prop 8 case

Supporters of same-sex marriage hold signs during a rally in support of marriage equality on March 25, 2013 in San Francisco, California. Supporters of same-sex marriage held a rally and are set to march through San Francisco a day before the U.S. Supreme Court will hear arguments on California's Proposition 8, the controversial ballot initiative that defines marriage as between a man and a woman.

    Just Watched

    Possible outcomes in SCOTUS prop 8 case

CNN's Shannon Travis previews the arguments before the Supreme Court this week on same-sex marriage.