Dancing for a cause
, March 1, 2013
San Francisco 49ers quarterback Colin Kaepernick (R), US first lady Michelle Obama (C) and professional tennis player Serena Williams (L) dance on stage with school children during an event to bring physical activity back to schools, hosted by the American Alliance for Health, Physical Education, Recreation and Dance (AAHPERD) and the Alliance for a Healthier Generation in Chicago, Illinois, February 28. Reuters/Jeff Haynes