The California Supreme Court struck down a state law banning marriage for gay and lesbian couples. The ruling was the most historic and sweeping decision of its kind to date.

Momentum is building rapidly across the nation in advance of a Supreme Court decision on the Prop. 8 case, with Minnesota becoming the third state in two weeks to recognize marriage equality.

The bill now advances to Governor Mark Dayton, a champion of the legislation, who plans to sign the bill into law as early as tomorrow, Tuesday, May 14.

More victories as a marriage bill clears hurdles in Minnesota. And there's progress appears likely in neighboring states as well. But soon, constitutional amendments in 30 states could delay any further success for years to come.

The sons of Kris Perry and Sandy Stier, one of the couples challenging California’s Prop. 8 this year, wrote a letter to both their moms for this special day.

Tom Stier, the oldest son of Sandy Stier and stepson of Kris Perry, talks commemorates Mother's Day.

The Minnesota House passes marriage equality legislation 75-59. The bill now heads to the State Senate.

The Supreme Court is set to rule on Prop. 8 and marriage equality. Find out when the decision might come down and what might happen.