By the way, I was on the road this afternoon and listened to some of the game on Pitt radio and some of the game on Duke radio (via XM). I DVR'd the game but haven't had a chance to watch it yet. Anyway, I was listening to the Duke broadcast when the play in question occurred. The Duke announcers were apoplectic that the call in question was not called on Pitt. They thought it was obviously pass interference on Pitt. And when they watched the replays they were even more convinced. When the call was announced as defensive pass interference I'm not sure but I think one of them had a heart attack. I guess it's all a matter of perspective.
Incidentally, when they came back from the commercial break they went to their sideline reporter, who said that he talked to the officials who made the call and they told him that the reason they called it on Duke was because the Duke defender interfered first and that the Pitt receiver was responding to the Duke interference when he interfered with the defender, so the call was on Duke. Now I don't know if that's what the ref actually said or not, but if he did say that and he did use that "logic" then it was clearly the wrong call and BOTH players should have been called for interference. The notion that it's OK for the receiver to interfere with the defensive back because the defensive back interfered first is clearly not the way the rule is written. In fact there is nothing in the rule book that says anything even remotely resembling "this is a penalty, but if the other team commits a penalty first it's OK to ignore the second penalty as if it never happened".