Some historians have argued recently that new information makes all forms of American anti-Communism, including even McCarthyism, look better in hindsight.
Other historians embrace the idea that McCarthyism was evil.  
mnli hypothesis: Other historians embrace the idea that McCarthyism was evil.   premise: Some historians have argued recently that new information makes all forms of American anti-Communism, including even McCarthyism, look better in hindsight.