>> thousands were dying in the jungles of vietnam. anti-war protests filled the streets. enter presidential candidate richard nixon. he knew exactly how terrifying 1968 was to the right wing base. >> the wave of crime is not going to be the wave of the future in america. >> fear, fear, fear. >> nixon used what was called the southern strategy. build the base by attracting more white support in the south with subtle appeals to racism. >> these code words, these dog whistles, law and order.