Many critics allege that the US national news media is biased in favour of liberal causes and Democratic candidates. The lack of an objective measure of news content ensures that such charges remain controversial. I consider an indirect test for media bias: if the national news media do exhibit...

Allegations of liberal bias against the national news media in the US remain very contentious. Conservative critics of the media argue biased news stems from liberal-leaning journalists. Another explanation of alleged bias could be that liberals have a greater demand for news than moderates or...