Prof. Wolff will be doing an AMA on the Socialism Subreddit of Reddit and answering your questions.
Background: Capitalism's crisis since the 2008 meltdown has generated worsening economic inequality, political instability, cultural and social tensions. Not surprisingly, ever more people have become critics of capitalism looking for something better. Not surprisingly they encounter the variety of socialisms as possible, preferable alternatives. In the US especially, the (re)discovery of socialisms is now well underway. The campaign of Bernie Sanders is both cause and effect of that (re)discovery.