Let me scratch that

A candidate Commander-In-Chief says
"I think it would be a profound mistake for us to use nuclear weapons in any circumstance" Obama said, with a pause, "involving civilians." Then he quickly added, "Let me scratch that. There's been no discussion of nuclear weapons. That's not on the table."
Together with his recent policy announcement to attack Pakistan if necessary to root out terrorists, this puts the USA in an interesting position vis-a-vis the only Islamic nuclear power.