NEW YORK (AP) - Hundreds of angry people marched through Harlem on Saturday after the Rev. Al Sharpton promised to "close this city down" to protest the acquittals of three police detectives in the 50-shot barrage that killed a groom on his wedding day and wounded two friends. "We strategically know how to stop the city so people stand still and realize that you do not have the right to shoot down unarmed, innocent civilians," Sharpton told an overflow crowd of several hundred people at his National Action Network office in the historically black Manhattan neighborhood. "This city is going...