Following hints in the writings of Isaiah Berlin, some political theorists hold that the thesis of value pluralism is true and that this truth provides support for political liberalism of a sort that prescribes wide guarantees of individual liberty.1 There are many different goods, and they are incommensurable. Hence, people should be left free to live their own lives as they choose so long as they don’t harm others in certain ways. In a free society there is a strong presumption in favor of letting individuals act as they choose without interference by others. William A. Galston has developed this argument with exemplary clarity.2 He is wrong. The idea that value incommensurability is a reason for toleration of diverse ways of life and protection of the individual’s freedom to choose among diverse ways of life is a mistake. In his paper for this volume, What Value Pluralism Means for Legal Constitutional Orders, Galston undertakes to resolve a further problem, namely, whether the presumption in favor of individual liberty that value pluralism establishes can be kept within bounds. In his words,