This undated image released by NBC shows Vice President Joe Biden, left, with actress Amy Poeher, who plays Leslie Knope on the NBC comedy "Parks and Recreation," in Washington. Biden will appear on the NBC sitcom "Parks and Recreation" on Thursday, Nov. 15. (AP Photo/NBC, David Giesbrecht)

Photo by: David Giesbrecht

This undated image released by NBC shows Vice President Joe Biden, left, with actress Amy Poeher, who plays Leslie Knope on the NBC comedy "Parks and Recreation," in Washington. Biden will appear on the NBC sitcom "Parks and Recreation" on Thursday, Nov. 15. (AP Photo/NBC, David Giesbrecht)