A wave of academic periodicals devoted to theory started appearing in the 1970s. Criticism wasn't far behind.
Men dominated the underground papers of the 1960s. Feminist journalists like Robin Morgan and Sheila Ryan called them on their sexism.
The disgust response acts as a behavioral immune system, protecting us from disease, but produces strong reactions to perceived out-groups.
The artist turned a critical eye toward American society, but he didn't want to be called a political cartoonist.