These two facts have set the blogosphere ablaze over the last week or so, apparently.
I have nothing really to add other than "Why?", so here's a quote from the "Evolution News and Views" commentary instead.
... is limiting the attendance at the pre-screening of an admittedly partisan movie by its creators to invitees only really the same thing as throwing professors out of their academic jobs for having beliefs at odds with the prevailing orthodoxy in their particular discipline--particularly when the institutions engaging in the heave-ho make so much of their respect for academic freedom?
Let's just say the question answers itself