On May 16th, 1989 David Letterman invited Norm Abram on his show to build a Picnic Table. David fools around with Norm’s tools and talks a little to much and they run out of time and Norm doesn’t have enough time to finish the Picnic Table. At least Norm doesn’t have to put up with Bob Vila like he has to in this video:    • Norm Abram and Bob Vila on David Lett...