My last post discussed the need to differentiate personal from professional personas online. In a reply to commenter Mike Vallez later, I realized that a number of officers we know fairly well already do this: Sgt. Tim Burrows (official: @TrafficServices; unofficial: @104kdrive) Tom Le Veque (official: @APOAVoice; unofficial: @TRLeveque) Meleah Droll (official: @CoralvillePD; unofficial: @Mia_Ria)…