....at least since the eye exam one where the zebra is told "Well, actually, that's an E, but we'll let you work."
Speaking as a quality engineer, the troubles that the NFL has been having with their replacement referees demonstrate a clear principle; there are a limited number of people capable of making football play calls reasonably accurately, and if they want to preserve some plausible integrity in their sport (that hasn't already been trashed by steroids, player arrests, and such), they seriously need to talk with the umpires' union.
Nope. Next! - While there's been a fair amount of talk concerning potential challengers to Mark Dayton in 2014, so far the list of potential challengers to Al Franken is...
16 minutes ago