So Long David Letterman and the Middle Class

Note: I wrote this during David Letterman’s last week of shows in May 2015

This week was David Letterman's last on TV, after being on it nonstop since about 1982. It's also the first week I ever paid any real attention to him. In 1996, when I was ten, I saw Independence Day, and President Bill Pullman's daughter tattles on her dad to her mom, saying "Dad…