Angela Corey, Zimmerman's prosecutor, threatens to sue Harvard Law School over Dershowitz criticisms?

How Corey could even get the idea that it was possible for her to sue Harvard over the remarks of one of its professors is very strange?  One would think that she would have understood academic freedom.  From Fox News:

. . . “It’s certainly professional to respond, but by calling the dean and threatening to sue the school, which she knows she cannot do, is unprofessional,” Dershowitz told FoxNews.com. “I would welcome a lawsuit from Corey. It would give me a chance to prove what an awful thing she did.”
Dershowitz, who penned a column for Newsmax revealing Corey's call to the school, said he’s received “a lot” of letters of support.
Corey’s “beef,” Dershowitz wrote, pertained to his criticism of the state attorney’s filing of a “misleading affidavit” to support the second-degree murder charge against Zimmerman in the death of 17-year-old Trayvon Martin.
“When the communications official explained to her that I have a right to express my opinion as ‘a matter of academic freedom,’ and that Harvard has no control over what I say, she did not seem to understand,” Dershowitz wrote. “She persisted in her nonstop whining, claiming that she is prohibited from responding to my attacks by the rules of professional responsibility — without mentioning that she has repeatedly held her own press conferences and made public statements throughout her career.” . . .