At the end of every week I take stock of what’s happened. Rare are the weeks which have actual bookends – something that was sublime, and something that was ridiculous. This was one of those weeks. I have Harry Reid of Nevada and David and Joel Letterman of Arizona to thank. Let’s start with David and Joel. They were on the this season’s first show of “America’s Got Talent.” They came out, stripped off their shirts, and .... This was a moment of zen. Trust me on this; you had to see this to believe it. Go now to YouTube,...