Some virtues are by accidents of history associated with utopianism, hostility to private property, anti-clericalism, and other core beliefs of the Left. I can scandalize a yoga instructor anywhere in the world by declaring myself an avid admirer of Margaret Thatcher, though I challenge you to read the yoga sutras and conclude from them that devotees must favor an overregulated financial sector. Concern for the welfare and dignity of animals is such an issue, associated with nihilist leftists such as Peter Singer and local totalitarians who seek to regulate pets out of existence. But one need not believe that animals...