Associated Press: A marine wildlife rehabilitation center in Mississippi is gearing up to take in possibly hundreds of oily sea mammals from Texas to Florida. The Institute for Marine Mammal Studies in Gulfport has surgery, necropsy and exam rooms, walk-in freezers full of frozen fish for food, X-ray and ultrasound machines and plenty of medicine. The nonprofit facility also has eight large pools, which have been cleaned and prepared to handle sea turtles, manatees and dolphins. Center director …