Updated : , ,   DETROIT (AP) — The Chevrolet Malibu, the last midsize car made by a Detroit automaker, is heading for the junkyard. General Motors confirmed Thursday that it will stop making the car introduced in 1964 as the company focuses more on electric vehicles. The midsize sedan was once the top-selling segment in the U.S., a stalwart of family garages nationwide. But its sales started to decline in the early 2000s as the SUV became more prominent and pickup truck sales grew. Now the...