Dropkick Murphys singer Ken Casey isn’t a fan of President Donald Trump and he also isn't convinced that Democrats like Rep. Alexandria Ocasio-Cortez, D-N.Y., will be good for the Democratic Party. "This Magger guy in the audience was waving his f---ing Trump hat in people’s faces, and I could just tell he wanted to enter into discourse with me," Casey was quoted as saying in an article in The Atlantic published Thursday. Casey recently called Trump a "rat and a coward" and excoriated a fan in March for carrying a Trump hat, saying, "They’ve been holding up a f---ing hat the whole night to represent