Yes, Howard will be making his almost yearly visit to the David Letterman show Monday, June 8th. Artie Lange will be going to the West Coast to visit with Jimmy Kimmel on Thursday, June 11th. Coincidentally David Sedaris will follow Artie on Jimmy's show the week after on June 16th. Stern favorite Norm MacDonald will go head to head against his friend Artie Lange when he visits with Conan on Thursday, June 11th. Opie and Anthony will follow Betty White's first segment when they do Jimmy Fallon's show on Thursday, June 11th. Buy the way Avuncular...Larry David is going to be on Conan's show June 16th.