Donald Trump won the 2016 election because the blue wall of traditionally Democratic states across the Midwest crumbled, as white working-class voters selected the man who now seeks to gut their entitlements, eviscerate their health care, slash their safety net, and send more wealth and power to the top of the food chain.So understandably, pollsters often wonder whether that particular demo, a.k.a. Trump’s Base, will remain loyal in this cycle — especially now that the only choices seem to be a self-absorbed billionaire who has abandoned the working class on a barren corner of a luck-starved n...