Police outside Washington ‘diligently’ searching for vandals who spray-painted anti-Semitic and derogatory slogans on Passover By Times of Israel staff The swastika found daubed on the Jewish Community Center in northern Virginia on April 11, 2017. (screen capture: NBC Washington) Swastikas and other anti-Semitic graffiti were found daubed on a suburban Washington, DC, Jewish community center…