“Socialism” is simultaneously one of the most commonly used and most confusing terms in American politics. Does being a socialist mean advocating for the complete abolition of capitalism, markets, and private property? Does it mean supporting a higher tax rate, Medicare-for-all, and Sen. Bernie Sanders? Or does it simply mean a deep hatred of systemic injustice and the institutions that perpetuate it?

In his new book Why You Should be a Socialist Nathan J Robinson, the founder and editor-in-chief of the Current Affairs magazine, attempts to shed light on these questions. In his writing, Robinson distinguishes between a “socialist economy” (think collective ownership, worker cooperatives, single-payer health care) and what he calls a “socialist ethic": a deep sense of moral outrage that animates agents of radical change. This distinction may sound like a dodge, but I think Robinson gets at something here that — while hard to understand from the outside — is crucial to understanding today's left politics. We also discuss: