SOUTH PORTLAND — Sometimes it takes a confluence of events to provide clarity to the muddle. The events in this case are the 50th anniversary of the riots surrounding the Democratic National Convention in Chicago in August 1968, the recent death of Sen. John McCain and the mind-numbingly idiotic statement by Fox News commentator Marie Harf on “Outnumbered” on Aug. 16 that “the highest form of patriotism is protest.” The muddle is the catastrophic state of the modern Democratic Party.....