Since we’ve been discussing media bias:
bq. We propose a new method for measuring the relative ideological positions of newspapers, voters, interest groups, and political parties. The method uses data on ballot propositions. We exploit the fact that newspapers, parties, and interest groups take positions on these propositions, and the fact that citizens ultimately vote on them. We find that, on average, newspapers in the U.S. are located almost exactly at the median voter in their states. Newspapers also tend to be centrist relative to interest groups.
From a new working paper by Riccardo Puglisi and James Snyder.