Is it cruel to point out that when Paul Krugman says that an alien invasion would save Keynesianism...

http://www.youtube.com/watch?v=nhMAV9VLvHA&feature=player_embedded#at=62

...he's pretty much cribbing off of Reagan's observation that an alien invasion would unite humanity and war among us?

http://www.youtube.com/watch?v=Ag44dRO8LEA

Or is it just sad that Krugman comes across as profoundly intellectually stunted, in comparison?  I mean, if we're going to have an alien invasion serve a higher purpose then I'd personally prefer a more meaningful one than salvaging a somewhat dunderheaded liberal economic theory.

Moe Lane (crosspost)