The Rev. Al Sharpton on Thursday angrily denounced reports of an investigation into his 2004 presidential bid and suggested that federal authorities were retaliating against him for his civil rights advocacy.
 
							
			
								
			            
            
				
			
            
            The Rev. Al Sharpton on Thursday angrily denounced reports of an investigation into his 2004 presidential bid and suggested that federal authorities were retaliating against him for his civil rights advocacy.