"Ann Coulter said Wednesday that she is canceling her planned speech at the University of California, Berkeley, because she had lost the backing of conservative groups that had initially sponsored her appearance."
 ~ New York Times

And in fact, Coulter bad-mouthed the Young Americans Foundation for pulling out.   To be clear, the university offered her a time and place where they could offer more security, and she turned it down.  She gets more coverage if she doesn't give her usual dreary, hateful speech.