If you follow pop culture, you may have heard of a community of men known as pick up artists — or PUAs — who give advice in books, online and on TV shows on how to “score” with women. While they may claim to just want to help lonely men be more successful in relationships, the reality of their advice is far more sinister. Recently, a PUA named Julien Blanc made international news when — thanks to pressure from activists — Australia revoked his visa and he was forced to leave