When did socialism become a bad word?

Democrats should be horrified that socialism has become a bad word, even if the voters are not yet ready for it. Progress is all about grooming.

https://www.washingtonpost.com/opinions/warrens-climb-in-the-polls-should-horrify-democrats/2019/11/04/429f4032-ff4d-11e9-9518-1e76abc088b6_story.html#click=https://t.co/ivFantALof