John and Larry were out hunting one day. John went into the bushes to take a leak, and a moment later he screamed and came stumbling out. ""A rattlesnake bit me!"" he yelled. ""Got me right on the wang!"" Larry took out his cell phone and called 911, and they in turn switched him to poison control. A doctor got on the line and Larry said, ""My friend just got bit by a rattlesnake! What should I do?"" ""First of all, stay calm,"" said the doctor. ""Do you have a pocket knife?"" ""Yes."" ""Good. Y…