A new study co-authored by Christopher Warshaw, professor of Political Science at George Washington University, reveals that the partisanship of mayors has no detectable effect on key policing and crime metrics in U.S. cities. A new study co-authored by Christopher Warshaw, professor of Political Science at George Washington University, reveals that the partisanship of mayors has no detectable effect on key policing and crime metrics in U.S. cities. Social Sciences Political science Phys.org – latest science and technology news stories