by: Journalism.org

From the conventions to the eve of the final presidential debate, Barack Obama and Mitt Romney have both received more negative than positive coverage from the news media, though overall Obama has had an edge, according to a new study.

That advantage for Obama, however, disappeared after the debates began in early October and news coverage shifted in Romney's direction, mirroring the momentum change reflected in many public opinion polls, the study by the Pew Research Center's Project for Excellence in Journalism found.