Pelosi, Sebelius sing the Supremes' "Stop! In the Name of Love"

During a tribute to Rep. John Dingell, D-Mich., the longest serving Congressman in American history, Mary Wilson of the Supremes asked House Minority Leader Nancy Pelosi, D-Cal., and others, including Health and Human Services Secretary Kathleen Sebelius, to join her onstage in a rendition of the hit song "Stop! In the Name of Love." Hilarity ensued.