To register for the 2015 course, visit https://www.edx.org/course/justice-harvardx-er22-1x-0. ART ONE: WHATS A FAIR START? Is it just to tax the rich to help the poor? John Rawls says we should answer this question by asking what principles you would choose to govern the distribution of income and wealth if you did not know who you were, whether you grew up in privilege or in poverty.