An article of faith among conservative critics of American universities has been that liberal professors politically indoctrinate their students. This conviction not only fueled the culture wars but has also led state lawmakers to consider requiring colleges to submit reports to the government detailing their progress in ensuring â??intellectual diversity,â? prompted universities to establish faculty positions devoted to conservatism and spurred the creation of a network of volunteer watchdogs to monitor â??political correctnessâ? on campuses.