In just the past three Wednesdays we’ve seen an insurrection, a (second!) impeachment and an inauguration. Coming off this not-so-peaceful transition of power and months of election conspiracies, President Joe Biden declared in his inauguration speech, “Democracy has prevailed.” Has it, though? Sure, the insurrection failed, but that doesn’t mean our democracy is in particularly good shape after these four years, or even the past 40 years. On today’s show, MIT economist Daron Acemoglu, author of “How Nations Fail,” tells us how the health of our democracy affects the economy, and vice versa.