Stupid people are everywhere "Last summer," says Bill Engvall, "I got a flat tire and pulled into a gas station lot. The attendant walked out, looked at the tire, and asked, 'Tire go flat?' I kept a straight face and replied, 'No, I was driving down the road when all of a sudden those other three just swelled right up on me.'Without batting an eyelash, he nodded his head and said, 'Yep. The heat'll do that.' What else could I say? I just reached intomy...