Somebody correct me if I'm wrong, but hasn't this same thing happened at Midway 2 other times? One of those times I know the plane tore through a wall and hit a few cars and a gas station. I thought they installed that stuff (forget what you call it), that looks like cement, but it turns to mush when the plane rolls off the runway and gets stuck in it. It is designed to slow the plane down so it doesn't go through the wall again.

If this is #3, then they really have a problem at Midway when it rains - it's called "short runways."