Philosophy
Rawls' Difference Principle and Distributive Justice
Quick fact
Rawls argues that inequalities are just only if they work to the benefit of the least advantaged—a principle that inspired policies like progressive taxation and social safety nets.
Why this is interesting
What if the rules for a fair society were designed by people who had no idea where they would end up? Would you accept a society where the rich get richer—if it also made the poor better off than in any alternative?