In A Large Nonstick Skillet, Cook Beef Over Medium Heat Until No Longer Pink; Drain. Stir In Beans, Corn And Worcestershire Sauce; Mix Well. Bring To A Boil. Reduce Heat; Simmer, Uncovered, For 4-5 Minutes Or Until Heated Through. Sprinkle With Cheese; Cook 1-2 Minutes Longer. Spoon About 1/2 Cup Off Center On Each Tortilla; Top With Lettuce, Tomatoes And Sour Cream. Roll Up.