Among those who favored health care repeal, support for judicial review increased markedly with increasing political knowledge. This is not an unexpected pattern. Political scientists have long recognized that “Democratic beliefs and habits are obviously not ‘natural’ but must be learned,” as Herbert McClosky put it in a classic 1964 article on “Consensus and Ideology in American Politics.” They are more likely to have been learned by people who are sufficiently attentive to public affairs to know, for example, that John Roberts is a judge rather than a representative, senator, or cabinet member (54% of the YouGov sample).Democratic Principles Are Sometimes Inconvenient