My wife and I went to see John Oliver on New Year's Eve. (Hey, you knew we were Commies, right)?
They have metal detectors at every door. I even had to go back and put my Swiss Army knife in the car.
Here's the funniest part, though: they pass womens' purses through outside the metal detectors, taking a quick poke around inside them with a clear plastic rod. My wife could have carried her revolver in the side pocket, and nobody would have known...