More on Disagreement

“Do we listen to those that we disagree with, and vigorously challenge them, or do we close our ears completely?" -

says the Dean of Harvard, justifying the desicion to invite an Iranian mullah to speak at Harvard. via LGF

It's not so much that I disagree with the mullahs. It's that they want me dead.

Which part of "Death to America" don't they understand at Harvard? Or at the State Department for that matter.