David Letterman’s 33-year run on late-night television was marked by his acerbic sense of humor.
Upon retiring in 2015, he’s undergone a metamorphosis into someone almost unrecognizable from the more comedic guy people watched on the “Late Show with David Letterman”.
He’s grown a full beard, which coupled with his balding head, makes him look like a guy wanting to moonlight as a department store Santa Claus.
But beneath that kindly-looking exterior lurks a clearly bitter and troubled man, as evidenced by recent nasty remarks about President Donald Trump.
It’s spelled out on the next page. See how the funny guy seems to have lost his sense of humor.

Your an idiot , holly wood elites opinions mean zeros a million zeros
Terrible statement!
No one listens to him any more.
He was crazy when he was on the Letterman show, now he’s a crazy has-been!
Another liberal talking c**p.
Idiot
And who made David Letterman the brightest mind!
Lederman needs a crawl back in his hole no one cares what this moron thinks
This from a lifetime clown
Hindsight is 20/20. And I would rather be safe than sorry and repeat the same mistakes that Germany Switzerland and others have made. They are the examples of what you don’t want to follow.