“I’ve done about all the public art I think I really want to do,” the 63-year-old South Side artist reiterated in a phone interview Sunday evening from the Bronzeville studio where he has continued to work even as prices for his paintings have climbed into the stratosphere. “The work I do now, I want to be less accommodating and less compromising … There’s too many contingencies that go with public art, and there are more compromises than I think I’m going to be willing to make from here on out.”