New to the Mt. Pleasant neighborhood, I recently found “Tonic” at 3155 Mt. Pleasant Street. Their menu is full of good old-fashioned American comfort food with a modern twist. I never would have thought that I’d be raving about tator-tots, but Tonic has the best I’ve ever had, and Bernie’s Spicy Wings are the real thing, and I come from the land of deep-fried goodness and hot wings. The bar in the basement features a 46