Late Show with David Letterman S10E34 · Don Rickles, Jim Gaffigan

Late Show with David Letterman

Season 10 · Episode 34 · Don Rickles, Jim Gaffigan

During CBS Mailbag, George Clarke explains why breakfast is the most important meal of the day, while Dave has an exclusive interview with ""Lizzie Grubman"" (actually Gerard Mulligan). Later, Dave welcomes his old buddy Don Rickles.