The BDN Opinion section operates independently and does not set newsroom policies or contribute to reporting or editing articles elsewhere in the newspaper or on bangordailynews.com. Stuart Rothenberg is a CQ-Roll Call columnist. If you are unlucky enough to live in one of the dozen or so states where the campaigns of President Donald Trump and former Vice President Joe Biden are duking it out on the airwaves, you’ve probably already had your fill of political ads.