The Washington Post (Justin Wm. Moyer and Michael E. Miller, Morning Mix) reports, “Video shows U. of Missouri protesters and professor barring media coverage.” (Of course, asking people to stop photographing is itself protected speech; a crowd’s deliberately physically pushing photographers out of the way is not.)
For those who want the explicit connection between photography of publicly visible things in public places and free speech, see, e.g., ACLU v. Alvarez (7th Cir. 2012).
I e-mailed Prof. Click last night for her side of the story but haven’t heard back from her; if I do, I’ll update the post accordingly.