If students earned grades from the school of hard knocks, the teenagers in Clearview Regional High's Vocal Ensemble deserve an A for stomaching the sour taste of fame. Give the grownups around them high marks, too, for trying to protect the kids from another close encounter of the mean kind with aw-shucks American Idol star Clay Aiken. Me, I'm not afraid of freckle face. He has more hair than I do, but I could take him in a wrestling match. And I have a zero-tolerance policy for Hollywood heavies pulling ego trips on teenagers and teachers. Which is what happened...