Why Jon’s dire Atlantic piece demanded a Bob-response ... Are today’s problems typical technological growing pains or alarming signs of demise? ... How much blame should social media get for the mess we’re in? ... Do today’s progressives recognize social progress? ... Jon: Productive “managed conflict” has become nearly impossible ... Will self-help save the planet? ... Can America survive without cultural common ground? ... Will the flip side of intranational tension be international cohesion? ... The three changes Jon thinks could save American society ...