Would a Super-Tax on AIG Bonuses be an Unconstitutional Bill of Attainder?

I hate AIG. I really hate the bonuses. I don’t think AIG should have paid them; rather, as I’ve said already, I think they should have withheld them and dared the folks who think they’re entitled to them to sue.

But I’m concerned that an approach that’s quickly gaining popularity in Congress will be tossed out by the courts as a “Bill of Attainder,” one of the forms of legislation specifically prohibited by the Constitution. See me on the flip.