In an otherwise serious poll from Politico and George Washington University, the survey also asks respondents which cable-news network they access most for political news. The results aren’t terribly surprising, as they more or less mirror the ratings, but are still noteworthy for one network’s almost-total marginalization. While Fox News Channel sailed to an impressive 42% and CNN got a substantial if unimpressive 30%, MSNBC got … More people are getting their news about the upcoming election from cable television than any other source, and from Fox News more than any other cable channel, according to a POLITICO/George Washington University...