As Andy Borowitz recently quipped, Republicans accused Franklin Roosevelt of being a socialist. He laughed all the way to four Presidential Inaugurations. They said the same about Barack Obama even when supporting plans that Republicans wrote. He probably could have had a third term if not for the Twenty Second Amendment. Same with Bill Clinton. Being called a Socialist is not the worst thing that can happen to a Democratic Candidate for President

https://prospect.org/article/why-republican-cries-socialism-wont-work?fbclid=IwAR2z8Tcgb58Jw26wb2udL5iQnystb8uPufgPmYS621oH-xP1voCOQfR-9LU