On the 250th day of the 250th year since the signing of the Declaration of Independence, United Mine Workers of America International Secretary-Treasurer Michael Phillippi could have offered empty platitudes on inclusivity in his first speech as an event headliner at the UMWA’s annual Labor Day gathering at Boone County’s John Slack Memorial Park. Instead, Phillippi, addressing a crowd of some 150 miner allies suggested there wasn’t room to sit …