Authors : Americans take responsibility for broken communities . Not exactly a portrait of moderate unity . Studies show that the moderate center is being hollowed out , they say . Ties that bound people together are eroding , authors say . Gergen , Zuckerman : There 's hope that a new generation could reverse the trend .
Authors : Americans take responsibility for broken communities . Studies show that the moderate center is being hollowed out , they say . Ties that bound people together are eroding , authors say . Gergen , Zuckerman : There 's hope that a new generation could reverse the trend .