Very few fast-food chains have stood the test of time. Since McDonald's was founded in 1940, dozens of would-be rivals have launched, had a moment in the sun, then disappeared into the great food court in the sky. Burger Chef, which had more than 1,000 locations, closed in 1996, according to The New York Times, while Red Barn, once a 400-restaurant chain, closed its final 22 locations in 1986, a UPI report confirmed. Burger Queen, which also used the Druther's name, shut down in 1990 when most locations ...