What's next in gay marriage's legal odyssey?

Kolby Verback, left, signs a petition as Lou Berdach, both of Denver, looks on at a protest outside the Federal Courthouse in downtown Denver on Wednesday, April 9, 2014. The protest, sponsored by Support Marriage Equality in Colorado, was held as a federal appeals court weighs inside the Denver courthouse whether to give an important victory to gay couples' right to marry in Utah and Oklahoma. (AP Photo/David Zalubowski)