The Boston “antifa” group lumped the thin blue line pro-police symbol with a list of white nationalist, neo-nazi and alt-right logos, enraged NYPD union officials said Monday. The thin blue line symbol is used to show support for law enforcement and commemorate fallen members who died in the line of duty and has become a symbol of police pride across the country and abroad. However, during the antifa protests in Boston over the weekend, it was shown on one of their posters as a symbol of hate to watch out for, next to images of an alt-right flag and a...