Occasionally in cabaret, one encounters a performer with 'star power.' Other times, one sees a legitimate star in a cabaret setting---say, Patti LuPone or Ben Vereen---and knows instantly why the person is a star. But in his Feinstein's/54 Below solo debut show, Tony Danza: Standards & Stories, Tony Danza reminds audiences what it means to be a star, onstage as well as off.