The NFL Needs to Review the Lions-Vikings Game

Where to begin with issues I have with the Detroit Lions and Minnesota Vikings game from week six.  The main two issues I have are the refereeing and Adrian Peterson creating helmet-to-helmet contact. First, the refereeing. There were three calls/non-calls that drove me crazy from this game.  The no call on the pass interference on Calvin Johnson where there definitely was a pass interference that was not called against the Vikings.  Calvin Johnson was knocked down for a pass, that if he had been able to keep running, he would have had a chance to catch the ball in the end zone. And the pass interference call would have put the Lions in position to probably, at least, get a field goal. Then, the fumble that wasn't a fumble. On another play, Calvin Johnson caught the ball and was down, and then the ball was ripped out, and the Vikings recovered.  Detroit challenged the ruling on the field of a fumble but the ruling on the field stood.  Johnson was obviously ... (link)