text: On campuses, free expression is limited to boxing-ring-sized free speech zones. Conservative speakers are banned from university events, or shouted down if they do appear. The Universities of Michigan and Maryland tried to ban American Sniper because a couple hundred students out of 27,000 objected. Oberlin and Georgetown students railed that Christina Hoff Sommers mere presence required trigger warnings, caused them distress and discomfort, and constituted violence against women.