Comedian and actress Kathy Griffin has reportedly been interviewed by the U.S. Secret Service for more than an hour. The investigation is connected to a recent photograph which showed her holding the bloody head of Donald Trump.(TWEET-AT-LINK) Griffin’s attorney contends that the actress was just exercising her constitutional rights. “She basically exercised her First Amendment rights to tell a joke,” Dmitry Gorin, a criminal defense attorney representing Griffin said. “When you look at everything in the media, all the times entertainers make videos or express themselves in other ways, you’ve never seen an entertainer, let alone a comedian, be subject...