I didn't read the article, but I wouldn't doubt it. Of course, lots of us are probably material heretics in one way or another. Of greater concern is formal heresy. With Cardinal Mahoney, I wouldn't be surprised if this was the case.
My point is befuddlement over a Pope who will not address such error in the innermost circle.
Me too. I don't understand it.
Should not a Cardinal be an example to the flock and a source of sound doctrine?
Absolutely. The bishops have failed in many ways, including their failure to excommunicate pro-abortion "Catholic" politicians.