SAN FRANCISCO – One of the two groups competing to put a gay marriage ban before California voters in 2006 has bowed out of the fight for now, saying that it does not think the timing or political climate is right to get such a measure passed. Tuesday was the deadline for ProtectMarriage.com, the sponsor of one of the overlapping initiatives, to submit the signatures needed to qualify for the June primary ballot a constitutional amendment that would have outlawed same-sex marriage and restricted domestic partnership rights in the state. But Andrew Pugno, the group's legal adviser, said that after...