Melissa Harris Perry will officially be out of a television job today. MSNBC — which signed the the 42-year-old four years ago to host her own weekend program — will officially make that announcement today, according to an unimpeachable source. The decision comes after Harris-Perry publicly accused NBC News Chariman Andy Lack and MSNBC President Phil Griffin of pre-empting her program due to racial reasons. Per an email she sent to staff that made its way quickly to the New York Times on Friday: “I will not be used as a tool for their purposes. I am not a token,...