Political Kryptonite

Heard on Sean Hannity’s radio show this past Monday, when Hannity was talking about President Obama’s unpopularity dragging many of his fellow Democrats down to defeat in 2010—and in 2012? (quote is approximate):

. . . who then becomes the political equivalent of kryptonite, if you will, for all of them.

I think Political Kryptonite would be a good name for a band.