Misplaced Priorities?

Andrew Sullivan asks, "Why not an anti-abortion amendment?":

The Senate Republicans have vowed to push their anti-gay marriage amendment, even though it won't stand a chance of getting the necessary 67 votes. The point is political and rhetorical. They are trying to build momentum, raise money, and keep the cause of banning same-sex unions alive. So why not push an anti-abortion amendment instead? They have one such amendment on hand. Both proposed amendments are allegedly against judicial meddling. Both will fail. But one deals with a much graver issue, by the religious right's reckoning - an immense loss of human life, rather than the grave evil of two human beings committing to one another for life. So why this priority? Surely, abortion is a more important matter than same-sex marriage - even for the religious right. Or is it?

Rob