ignition switch cylinder

My Jeeps ignition switch had been annoying becaue I needed to really turn it all the way before the ignition would crank. Last weekend I lent it to my roomate and he managed to break it. . Basically the key in switch turns all the way to the right but only the dash lights come on and no...

I hope someone out there has seen this happen or can give me some advice. I have a 2002 Jeep Liberty Sport 4x4 v6. A couple of days ago, my wife tried to start the Jeep but the key would not turn. It is on level ground with not obstructions to the wheels. I checked the connecting linkage at the...