Whether or not you are Charlie Hebdo, current events make it obvious that comedy can be a lightning rod for dubiously justified anger. It’s always been so, as Mike Celestino’s ambitiously-scoped documentary That’s Not Funny illustrates, but the shock is that these days the expression of that anger can run the broad gamut from heckling a comedian to storming the offices of a leftist humor magazine with automatic weapons. Perhaps perversely, one aches while watching the film, which was produced before the Paris attack, wishing Celestino had just waited a few more months so he could include that most tragic of examples. But there’s enough grist for the mill in the history of American comedy to help him preach his sermon, and Celestino covers it all.
[…]