SANFORD, FL – MARCH 22: Rev. Al Sharpton (C) speaks at a rally with Tracy Martin (R), and Sybrina Fulton (2nd L), parents of slain teenager Trayvon Martin, on March 22, 2012 in Sanford, Florida. Sanford Police Department Chief Bill Lee announced today he will temporarily step down following the killing of the black unarmed teenager by a white and Hispanic neighborhood watch captain. Sharpton organized today’s rally. (Photo by Mario Tama/Getty Images)