Who care about the motives of David Duke. The question is why did he not win the election. Hint, had nothing to do with democrats. While were in the Q & A, lets ask, why were the slaves freed, who drove the civil rights bill to completion. Same hint! 

NOW! Who pushed Jim Crow laws, who blocked the civil rights bill for a decade. Who supported segregation, who required black to drink from separate fountains? Hint. Not Republicans!