A historic moment as marriage equality arrives before Supreme Court

A four-year legal battle to extend the right of marriage to same-sex couples no matter where they live gets its moment before the Supreme Court on Tuesday in historic oral arguments difficult to imagine even a decade ago. The first of two days of oral arguments over what supporters call marriage equality brings the boldest of the claims that gay rights activists will make — that there is a constitutional right to same-sex marriage that states may not deny.