His claims have already been brought up, but you don't want to talk about what's already been said.
To label them as "findings" presumes their accuracy, when he's obviously not a trustworthy source.

Let's get a snapshot of the situation, shall we?

Corsi Wrote a Book Saying Bush's "Globalist Agenda" Is Leading to a North American Union. "The real reason behind President Bush's push for immigration reform, says author Jerome R. Corsi, is to unite the United States, Mexico and Canada by erasing borders and creating a "North American Union."
Expected response: Bush Bashing... Where's your proof!

Corsi Wrote a Book Disagreeing With Most Scientists That There is a Limit to Oil. "All his life, Jerome Corsi's been told that we're running out of oil. "I remember driving with my dad in a 1952 Plymouth and listening to him talk about the end of oil," says the 59-year-old New Jersey author. "Hasn't happened yet, and it's not going to happen." What makes him so sure? He doesn't buy the fossil fuel theory--that oil comes from dead plants and dinosaurs. He believes it comes out of the ground naturally, and that there's more coming up all the time...
Expected response: Where's your scientific basis?

This is curious in that the volume has a second author, but Jerome Corsi has dropped from the marketing because he has been revealed as the author of religiously bigoted remarks published on a Web site. Corsi not only considers Muslims to be pederasts, but he took the trouble to slam Catholic priests and refers to the pope as senile.
Expected response: Religion bashing. Where's the proof?

Attacks on Kerry or Obama?
Response: It's all part of the process and questioning the author's credibility is "bashing" him, which should not happen. His claims must be disproven, instead of proven.