The First v. the Second Amendment on a college campus

English: Painting, 1856, by Junius Brutus Stearns, Washington at Constitutional Convention of 1787, signing of U.S. Constitution. (Photo credit: Wikipedia)

In a state where concealed-carry is the law, a speaker scheduled to castigate violent video games is scared off by an anonymous threat from a wanna-be shooter.
http://chronicle.com/article/When-Guns-Come-to-Campus/149411/?cid=at&utm_source=at&utm_medium=en

Are free speech/academic freedom compatible with the right to bear arms?  "No" is the answer in this instance.  So how can the First and Second Amendments of the U.S. Constitution co-exist, when those with the guns get to "call the shots"?

The pen may be mightier than the sword, but bullets seem to speak louder than words.