Are Fans Still Allowed To Boo?: More and more athletes are slamming fans for their booing. Even Sammy Sosa! Good column on when to boo and when not to boo, and some funny jokes after that rant. For example: "Cell phone maker Nextel has replaced R.J. Reynolds Tobacco Co. as the sponsor of NASCAR’s championship series. Racing officials also announced this week that brain had replaced lung as the Official Cancer of NASCAR…"