““Madison’s response is famously expressed in Federalist 10, “The Utility of the Union as a Safeguard against Domestic Faction and Insurrection”—arguing that tyranny of the majority was most likely to occur in small republics. When a republic holds a critical mass of diverse interests, no single group is likely to hold the upper hand for long. The combination of diversity and size serves as a cooling mechanism on more heated local passions and prejudices. In a large republic, the necessity of cobbling together broad governing coalitions means that narrow self-interest is forced to give way to a more enlightened self-interest, in the recognition that pursuing the common good can bring about mutual benefits.I””