New York Times: Nissan’s chief executive, Carlos Ghosn, said Tuesday that the company had already received 19,000 orders in the United States and Japan for the electric car that it would start selling at year-end. More than six months before the car, the Nissan Leaf, arrives at dealerships, the preorders mean that the car is sold out for this year and that the company might stop taking reservations, Mr. Ghosn said during a visit to the Detroit Economic Club. “The preorders are such that we are …