Dick Cheney working on book about heart treatment

Former Vice President Dick Cheney, one of the world's most prominent heart patients, is working on a book about his many battles with coronary disease and the revolutionary changes in treatment that helped keep him alive.The 71-year-old Cheney is collaborating with his cardiologist, Dr. Jonathan Reiner, and with his daughter, Liz Cheney. Scribner, an imprint of Simon & Schuster, announced Monday t