Highest greetings from New Haven, Connecticut, where I’m visiting my sister Kathy in the middle of a 3-week trip to the East Coast before ending up with a week in New York City and a train ride back to Detroit in time for the 50th anniversary celebration of the founding of the Detroit Artists Workshop on November 1, 1964. Just after I filed my last column I flew out to Portland, Oregon to perform at the Hempstalk Festival along with my man John Trudell and his band Bad Dog. They’ve been doing this for 20 years and just this year received the City’s approval to hold the event in a popular…