That time conservatives canceled the KKK

Public figures' personal morality used to matter a lot on the Right. What happened?

In the late 1910s and early 1920s, the Ku Klux Klan surged in popularity. It had 2 to 5 million official members and many more sympathizers, at a time when the total U.S. population was only about 100 million. It was active around the entire country, and had huge political power in a number of Northern cities. In addition to repression of Blacks, Jews, …