Name: President Obama grabs the mic and sings again
Uploaded: Wed Feb 22 2012 00:00:00 GMT+0000 (UTC)
Duration: 4 min 5 s
Description: During a Tuesday concert at the White House honoring Black History Month, President Obama sang a few lines of the blues standard "Sweet Home Chicago." And in other water cooler news, Adele doesn't take kindly to having her awards speech cut short and Colbert welcomes Obama to the dark side of superPACs.

Feb. 22, 201204:05