THE STAKES MOUNT

San Francisco files suit to challenge the constitutionality of the state’s discrimination against gay couples in marriage. There is nothing illegal about this. But it opens a whole new front in the legal and constitutional fight for equal marriage rights. Not so long ago, I thought I had a handle on this movement. But now it has a life of its own. When freedom begins to emerge, its momentum is hard to stop. But it now seems almost certain that the president will try.