Coke is a mild acid and can be good at cleanign grease off of things, though so can many other common household items. And while I don't drink much soda, just remember that too much water can kill you. Overhydration is becoming a real problem at endurance sporting events and the symptoms mimic those of dehydration.
It was "Hold your wee for a Wii" and yes, the host, along with I believe 9 other people, got fired. The station is being sued for wrongful death, and being California, the case will likely be a winner.
I used to drink 12-24 Mountain Dews a day. When I hit 240 pounds, I switched to Dr. Pepper. I'm on Diet Pepsi right now and am happily at 220 and slowly dropping.