David Letterman : The Jerry Seinfeld viewers see on air is who he really is . Shaffer 's new memoir has stories of ` Letterman , '' Letterman . We 'll Be Here for the Rest of Our Lives : Shaffer was offered chance to play Paul Shaffer sidekick at two point . Bandleader legendary for his `` Celebrity Seders ''
David Letterman : The Jerry Seinfeld viewers see on air is who he really is . Shaffer 's new memoir has stories of ` Letterman , '' Letterman . Shaffer was offered chance to play Paul Shaffer sidekick at two point . Bandleader legendary for his `` Celebrity Seders ''