Newsbusters has studied the use of poll data by television news operations during the Bush era and during the Obama era. It is pretty clear: http://newsbusters.org/blogs/rich-noyes/2014/09/08/mrc-study-tv-buries-bad-news-obamas-collapsing-polls
Newsbusters has studied the use of poll data by television news operations during the Bush era and during the Obama era. It is pretty clear: http://newsbusters.org/blogs/rich-noyes/2014/09/08/mrc-study-tv-buries-bad-news-obamas-collapsing-polls