Two St. Louis restaurant favorites, Mission Taco Joint and Hi-Pointe Drive-In, are teaming up to bring you a new creation in honor of National Taco Day, which is next Wednesday, October 4.Deemed the "Regular Taco," the limited-time item is the second collaboration between Mission Taco Joint and Hi-Pointe Drive-In chef Mike Johnson (the first one being the Taco Burger at Hi-Pointe Drive-In). The specialty taco will include ground beef, lettuce, smoked cheddar, lime crema, tomato, a crispy shell and Mission Taco Joint Sauce, which Hi-Pointe Drive-In usually only serves in its taco burger.…