Kandahar, Afghanistan - December 17, 2008 -- Comedian Lewis Black entertains the troops stationed at Kandahar, Afghanistan during the  2008 USO Holiday Tour. Tour host United States Navy Admiral Mike Mullen, chairman of the Joint Chiefs of Staff, along with his wife Deborah welcomed comedians John Bowman and Kathleen Madigan; actress Tichina Arnold; American Idol contestant and country musician Kellie Pickler and Grammy award winning musician Kid Rock on the tour bringing music and entertainment to service members and their families stationed overseas..Credit: Chad J. McNeeley - DoD via CNP