Stern to Letterman -- Good Riddance, Leno!

6/9/2009 1:45 PM PDT BY TMZ STAFF
Wanna know why Howard Stern wasn't one of the big guests on Leno's "Tonight Show finale?" Just listen to what the King of All Media had to say about Jay on Letterman last night. Brutal!

 Howard Stern & David Letterman: Click to watch