In A Medium Saucepan, Heat Drained Black Beans Over Medium Heat; Set Aside. In A Medium Saucepan, Melt Cheese And Sour Cream. Meanwhile, Bring A Large Pot Of Lightly Salted Water To A Boil. Add Pasta And Cook For 8 To 10 Minutes Or Until Al Dente; Drain And Place In A Bowl. Add Hot Pepper Sauce, Worcestershire Sauce, Dried Red Pepper Flakes, And Salt And Pepper To Taste To Cheese Sauce When Melted; Mix Well. Spoon Sauce Over Pasta And Top With Beans, Tomatoes, Green Onions And Chicken; Serve.