Lieberman sings a song in response to calls for his ouster.

Brave New Films and other activists recently delivered copies of a petition with 43,000 signatures to Democratic senators, demanding that they strip Sen. Joe Lieberman (I-CT) of his committee chairmanship. In a new interview with NPR, when asked by a reporter about the growing pressure, Lieberman replies by singing, “I’m not thinking about tomorrow.” Listen here:

Last week, Senate Majority Leader Harry Reid (D-NV) refused to close the door to the possibility that Lieberman would be kicked out of the caucus. Over the weekend, Robert Novak reported that Democratic insiders are “certain” that Lieberman will be out.