 There's an investigation underway in southern Arkansas after an explosion at a facility for defense contractor General Dynamics. This is Calhoun County Judge Floyd Nutt. It was very bad. Could have been a lot worse, I guess, but it was bad. No word yet on the cause. Two people reportedly hurt. The company behind Saks Fifth Avenue is spending over $2.6 billion to buy Neiman Marcus. The Wall Street Journal says that Amazon is also involved in the proposed deal, taking a minority stake and offering tech help.