Opponents of regulation always complain that it's bad for business. Regulations that prevent pollution, of course, are bad for businesses that would have otherwise polluted. Regulations that prevent child labor are bad for businesses that would have exploited children. Regulations that prevent American companies from engaging in bribery or abuses of human rights may be bad for businesses that engage in bribery or human rights abuses. As we've seen, private rewards and social returns often differ; and when they do, markets don't work well. The task of government is to align the two. If