On This Week with Jonathan Karl, Darth Cheney lays the groundwork for a full-bore Republican attack on the Obama administration in the event of another terrorist attack. (Are you terrorized yet?)

KARL: Another thing from the vice president, he also addressed the possibility of another 9/11-style attack.

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BIDEN: The idea of there being a massive attack in the United States like 9/11 is unlikely, in my view. But if you see what's happening, particularly with Al Qaida in the Arabian Peninsula, they have decided to move in a direction of much more small-bore, but devastatingly frightening attacks.

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KARL: Is he right?

CHENEY: I don't think so. And I would point to a study that was released just within the last week or two up at the Kennedy School at Harvard by a gentleman -- Mowatt-Larssen's his name, I believe. He was CIA for 23 years, director of intelligence at the Energy Department for a long time, that looks at this whole question of weapons of mass destruction and Al Qaida and comes to the conclusion that there's a very high threat that Al Qaida is trying very hard to acquire a weapon of mass destruction and, if they're successful in acquiring it, that they will use it.

I think he's right. I think, in fact, the situation with respect to Al Qaida to say that, you know, that was a big attack we had on 9/11, but it's not likely again, I just think that's dead wrong. I think the biggest strategic threat the United States faces today is the possibility of another 9/11 with a nuclear weapon or a biological agent of some kind, and I think Al Qaida is out there even as we meet trying to figure out how to do that.

KARL: And do you think that the Obama administration is taking enough serious steps to prevent that?

CHENEY: I think they need to do everything they can to prevent it. And if the mindset is it's not likely, then it's difficult to mobilize the resources and get people to give it the kind of priority that it deserves.