Here we go again. Socialism is making a comeback, according to friend and foe alike. A new NBC poll now suggests that a majority of registered voters don’t like capitalism. A Gallup poll in September also found that support for capitalism was slipping. A Data for Progress poll around the same time showed that — after asking some decidedly leading questions about democratic socialism — people liked democratic socialism. Still, Politico combined the results to declare: “Capitalism is out … and socialism is in.” And just this week, an NPR podcast dedicated a segment to explaining “How socialism got sexy.”...