Who knew about Bridgegate? Six and counting, Wildstein says
David Wildstein exits the U.S. District Court in Newark, New Jersey May 1, 2015. REUTERS/Andrew Kelly

NEWARK -- Over three days of testimony in the Bridgegate trial, chief witness David Wildstein has widened the circle of people he contends knew more than they have publicly admitted about the plot to close lanes on the George Washington Bridge. Wildstein previously pleaded guilty to charges he orchestrated the plan to punish the mayor of…