09/28/2010 09:42 am ET Updated 4 days ago

Keith Olbermann's Shiny Vest: Love It Or Leave It? (PHOTOS, POLL)

Keith Olbermann went jacketless to welcome Lawrence O'Donnell to the MSNBC primetime lineup Monday night.

Olbermann appeared on "The Last Word" wearing a vest, but no jacket. The garment appeared to be black in the front and metallic gray in the back.