The Hot Wing King, a tasty new work by Katori Hall at the Signature Theatre, comes in three flavors. As directed by Steve H. Broadnax III, it is a classic buddy comedy with friends and lovers involved in bouts of physical tomfoolery and good-natured ribbing. It is also a honey-glazed drama seasoned with uncertainty and dipped in guilt. And it is a hot take on sons and fathers, biological and otherwise, in black America, featuring a fiery Off-Broadway debut by Cecil Blutcher as a teenager looking...