Adam Serwer in The Atlantic:
It was 1990 and David Duke, the former grand wizard of the Ku Klux Klan, astonished political observers when he came within striking distance of defeating incumbent Democratic U.S. Senator J. Bennett Johnston, earning 43 percent of the vote. If Johnston’s Republican rival hadn’t dropped out of the race and endorsed him at the last minute, the outcome might have been different.
Was it economic anxiety? The Washington Post reported that the state had “a large working class that has suffered through a long recession.” Was it a blow against the state’s hated political establishment? An editorial from United Press International explained, “Louisianans showed the nation by voting for Duke that they were mad as hell and not going to take it any more.” Was it anti-Washington rage? A Loyola University pollster argued, “There were the voters who liked Duke, those who hated J. Bennett Johnston, and those who just wanted to send a message to Washington.”
What message would those voters have been trying to send by putting a Klansman into office?
“There’s definitely a message bigger than Louisiana here,” Susan Howell, then the director of the Survey Research Center at the University of New Orleans, told the Los Angeles Times.
More here.