Mark Hemingway over at NRO has some good thoughts:

When asked “At what point does a baby get human rights, in your view?,” McCain answered “At the moment of conception.” Obama’s answer here was flaming-dirigible bad:

Whether you are looking at it from a theological perspective or a scientific perspective, answering that question with specificity is, you know, above my pay grade.

That spectacularly inept metaphor is going to haunt Obama throughout the rest of the campaign. News flash: There’s not a job on the planet above the pay grade of the President of the United States. If you can’t solve every problem and are humble about it, that’s fine — but you can’t get away with being unsure about the most defining moral issue in politics.