A man wearing swastikas on his t-shirt and around his neck took to the public-comment microphone at Walnut Creek’s City Council meeting Tuesday evening and delivered an anti-Jewish diatribe that shocked city officials into a brief silence. The goateed man in dark sunglasses, who identified himself as “Scotty,” wore a brown plaid shirt over a white t-shirt emblazoned with the swastika and the words “white power.” Another swastika hung from a chain around his neck, and his ball cap bore the circular, patterned “Black Sun” neo-Nazi symbol. He pulled out a phone and said he was “filming this for legal...