“One of the things I do worry about sometimes among progressives in the United States —maybe it’s true here as well — is a certain kind of rigidity where we say, ‘Uh, I’m sorry, this is how it’s going to be,’ and then we start sometimes creating what’s called a ‘circular firing squad,’ where you start shooting at your allies because one of them has strayed from purity on the issues. And when that happens, typically the overall effort and movement weakens,” he said.
Hill
The Red Guards were used as a weapon to destroy Mao’s enemies in the Party and sweep away the “Four Olds”. The Four Olds were: Old Customs, Old Culture, Old Habits, and Old Ideas. The campaign to destroy the Four Olds began in Beijing on August 19, 1966, shortly after the launch of the Cultural Revolution.
When the Red Guards had accomplished their task they were in turn suppressed. Who in America are the Four Olds?