They danced, clapped, shouted and sang, and that was before the Rev. Al Sharpton even opened his mouth. By the time the former presidential candidate finished his sermon to more than a thousand people gathered in a Miami church Sunday, blending politics and religion into a call to action to South Florida's black community, congregation members churned with energy. When he was done, Sharpton introduced the chairman of the Democratic National Committee. McAuliffe apologized to the congregation for the 2000 election and for not being in Florida to stop voting problems.