The Kennedy Expressway turns 50 today. Check out the official history in the Chicago Tribune, and then listen to Dan Rostenkowski’s story about the political dealmaking between President Johnson and Mayor Daley that actually got the final part of the project done.   [youtube=http://www.youtube.com/watch?v=5Vt7gsHYF5c]   You can also watch the full documentary on Dan Rostenkowski at Media Burn.