Three Democratic lawmakers were either arrested or had their office raided Wednesday by the FBI. Two of the Democrats, including Charlotte, N.C. Mayor Patrick Cannon, were charged in connection with FBI stings that caught them allegedly taking bribes from undercover agents. Coupled with an FBI raid that led to the resignation of a prominent Democratic lawmaker in Rhode Island this past weekend, four Democrats have recently come under the FBI’s radar. Here are the four: New York state assemblyman The FBI raided Democratic New York Assemblyman William Scarborough’s Albany office Wednesday morning and also took papers from his office in...