Growing inequality within most countries around the world is one of the critical issues facing the world today. People everywhere sense that it is morally wrong. We sense that it cannot be justified. We sense that it is dividing our societies and undermining our democracies. And we are right in sensing this harm. These effects of inequality should be more than enough to steel the resolve to do something to reduce growing inequality. But even if one didn't care about these effects, there are further reasons to fight inequality. It is self-defeating: it undermines our economies. In this short paper, I want to do two things: First, I will describe the nature of this growing inequality, its multiple dimensions, and say a few words about its ori...