Duh?

Am I missing something here?

Critics were particularly frustrated that Dershowitz was not allowed to debate Carter. "It's puzzling because he said that he wants to have a discussion of his book and then refused to appear with Professor Dershowitz," said retired Brandeis history professor Morton Keller.

Gordon Fellman, a sociology professor and a member of the committee that arranged the visit, said Dershowitz is neither a student nor faculty member at Brandeis and therefore "he can't get in - and it's not anti-Dershowitz.

But neither is Carter a student nor faculty member.

If he got in, why can't someone invite Alan to enter - in the name of academic freedom, rationality and philosophical openess?