Apparently the court concluded that Iowa’s same-sex marriage ban violates the constitutional rights of gay and lesbian couples.
Update: According to the Des Moines Register, the decision was unanimous.
“The Iowa statute limiting civil marriage to a union between a man and a woman violates the equal protection clause of the Iowa Constitution,” the justices said in a summary of their decision.
The court rules that gay marriage would be legal in three weeks, starting April 24.
You can read the full-text of the decision here.
Update 2: Andrew Sullivan has pulled together a number of reactions to the decision. And Wonkette, of course, offers a take.