Well, let's see, he rejects papal infallibility, was officially prohibited from teaching at Catholic universities (however he continues to teach anyway without any dire consequences!) and so on and so forth.
But who are the bad guys? Archbishop Lefebvre? Fr. Feeney? Independent priests? What a joke!!
If it isn't clear to anyone watching with both eyes open, there is a real big problem with authority and penalties in the Vatican; a VERY BIG PROBLEM.
But what does his heresy matter? After all, he has a "Global Ethic Foundation."