There's something mighty strange about the immediate reaction of those listening as U.S. Rep. Joe Wilson screamed "you lie" at President Barack Obama. Look at these pictures.

Now, all of us have been in a room when a scream comes out of nowhere. It's impossible not to look. Speaker Nancy Pelosi turned. Vice President Joe Biden Turned. Obama turned. Why aren't Wilson's Republican colleagues startled? Not one has turned to see what the outburst, coming from right next to them, is all about. This is, at the very least, quite odd. One thing that might account for...