that bind-- and bound -- Violent conflict, social ties, and explanations of social processes -- Mechanisms in political processes -- Do unto others -- Durable inequality -- Relational origins of inequality -- Changing forms of inequality -- Unequal knowledge -- Social boundary mechanisms -- Chain migration and opportunity hoarding -- Boundaries, citizenship, and exclusion -- Why worry about citizenship? -- Inequality, democratization, and de-democratization -- Political identities in changing polities -- Invention, diffusion, and transformation of the social movement.