Which they tried to do at UCLA. And UCLA almost assisted them in doing so, until someone with a little smarts decided that intelligence and the law prevent them from doing so.
So the question is: Should the university let the thugs drive debate on important and controversial issues off the university campus? I think the answer is that it should not.
The issue is important because lefties vowed, on their own forums, to shut down the debate. Protests, hecklers, etc. were to be used, and UCLA originally wanted an apparently right-leaning student group to shoulder the cost of security; the university has since backed down from that requirement.
You can't give in to terrorism, even this kind. It only encourages them.