"Happy 21st birthday, children of the Katie Couric era.  You won't believe this, but there was a time on this planet when you could go days, weeks, even a year, without being confronted by this insistent grin."

(What, you thought I was going to go with a colonoscopy joke?  Please.  We try to maintain a little class here. And you know what they say:  you can't spell "class" without uhuhuhuh...)