Could it be true? Is all of this endless campaigning, a billion dollars in advertising and 24/7 blanket coverage of every word, gesture and sneeze by the candidates all a gigantic waste of time in an election which has essentially already been decided? That’s one possibility suggested by Dave Helling of McClatchy Newspapers who suggests that, "People's minds are made up, unlikely to change." [A] growing number of political scientists and campaign consultants --- backed by the latest polling data --- think the daily campaign back-and-forth is having no significant effect on voters.Most Americans have locked in their presidential decisions,...