Because of this:

(language warning – NSFW)

and this:

Who will defend his freedom of speech, or the academic freedom of those who want to hear him on campus?

If Ayaan Hirsi Ali is banned, and Ann Coulter’s sponsors scared away, and someone who questions dogma on campus assault drowned out, what’s next? (via Instapundit)

(Language warning, NSFW)

If we are willing to defend his right to speak and people to invite him and hear his speech, does that mean we also have to give him a tenured position on the faculty?