The Dropkick Murphys are hitting back against a neo-Nazi group that used one of the rock band's songs in a video posted on social media. The rowdy rockers from Boston condemned the use of the song “The Boys are Back” in a tweet, while the band's attorneys sent a cease-and-desist letter to the group as well as to the platform that shared the video. After calling them “losers,” the band wrote “Stop using our song for your little dress up party video. We will SMASH you,” in response to a tweet from a man who confronted the group at South...