This episode is about Wolf’s “Moral Saints,” Peter Singer’s “Famine, Affluence and Morality,” and Larissa Macfarquhar’s Strangers Drowning. Susan Wolf thinks that devoting your life to helping others would be a real drag. It’d interfere with playing tennis and reading Tolstoy. True enough but some people might have philosophical and personal reasons to do it anyway. For example, Peter Singer argues that, if you think a child’s life is worth more than your shoes, then you’re mo...