Dust off your version of the Constitution. A President submits the treaty in the first place, which requires a supermajority to pass. CAFTA is a "trade agreement," supposedly not a treaty, which therefore supposedly requires a mere majority of both houses and then a Presidential signature.
Trade agreements concluded that way are a fraud on the Constitution.
Absolutely dead right.
Unfortunately, I would not dare bring the case challenging this until Justices O'Connor, and Stevens are gone. And if only we could hurry-up the exits of Ginzburg and Kennedy. Unfortunately, we are likely stuck with Souter and Breyer for a long time.