It's a simple rule: think before you tweet. Yet, many pro athletes seem to struggle with the concept. Take Buffalo Bills wide receiver Stevie Johnson, please, and hide him because this could get ugly. 

threats of nuclear attack coming from North Korea. He noted North Korea's military sabre-rattling on his Twitter (the same account on which he

All good. An NFL player has as much right to comment on international affairs and foreign policy as Wolf Blitzer, or Dennis Rodman for that matter, but Johnson couldn't let it go. He took it a step further by suggesting a target for North Korea's first missile: Foxborough, Mass. — home base of the New England Patriots, the perennial AFC East champs who have beaten Johnson and the Bills 17 of the last 18 times the teams have played.