Canadian Hospitality Not What It Once Was

I don't usually bother to defend Ann Coulter: as a provocateur, she gives as good as she gets, and seems never happier than when saying something a bit outre. This, however, is over the top. The provost of a Canadian school where she's speaking has written this warning letter.
We have a great respect for freedom of expression in Canada, as well as on our campus, and view it as a fundamental freedom, as recognized by our Canadian Charter of Rights and Freedoms. I would, however, like to inform you, or perhaps remind you, that our domestic laws, both provincial and federal, delineate freedom of expression (or “free speech”) in a manner that is somewhat different than the approach taken in the United States. I therefore encourage you to educate yourself, if need be, as to what is acceptable in Canada and to do so before your planned visit here. You will realize that Canadian law puts reasonable limits on the freedom of expression. For example, promoting hatred against any identifiable group would not only be considered inappropriate, but could in fact lead to criminal charges. Outside of the criminal realm, Canadian defamation laws also limit freedom of expression and may differ somewhat from those to which you are accustomed. I therefore ask you, while you are a guest on our campus, to weigh your words with respect and civility in mind.
Coulter says she was hoping for a fruit basket, not a threat to prosecute.