Walter “Mr. Tendernism” Johnson is enjoying every moment of his newfound fame. As he struts out of Ruby’s Southern Comfort Kitchen to meet a throng of adoring fans, Walter Johnson hit a little two-step while the crowd chanted “Unc!” Mr. Tendernism is in town. At his latest stop on a nationwide tour, Johnson’s fans lined up Saturday to take a photo with the pitmaster-turned-online culinary personality in the heart of Prince George’s County, a majority-Black county in Maryland. “I’m hanging out