Peter Moskos : Many police see themselves as a `` Thin Blue Line '' besieged by criminals , liberals . Police tend to be conservative , but no evidence Democrats are worse for police , he says . An attack on the thin blue line is perceived as a personal and existential threat , Moskos says . Comment: And we also need to move beyond the thin blue line . Police must accept disagreement from citizens , officials and see beyond blue line .
Peter Moskos : Many police see themselves as a `` Thin Blue Line '' besieged by criminals , liberals . Police tend to be conservative , but no evidence Democrats are worse for police , he says . An attack on the thin blue line is perceived as a personal and existential threat , Moskos says . Comment: Police must accept disagreement from citizens , officials and see beyond blue line .