Of course they should. But they should also provide a detailed content analysis of every article they've written about each candidate including a listing of adjectives and adverbs used to modify any statements directly pertaining to or about the candidate and to any action by the candidate thereof. You see, it's one thing to write an editorial that only crackpots actually read and another thing to nuance and massage and leverage your chosen candidate through allegedly objective news stories. Yes, that's my belief allrighty.
DFO: HBO commenters had a terrific debate re: the Coeur d'Alene Press online question: Should newspapers endorse candidates. For the complete thread Sunday, click here.