One of the toughest lessons of her deployment was perfectly articulated by the TV show M*A*S*H: "There are two rules of war. Rule number one is that young men die. Rule number two is that doctors can't change rule number one." Dr. Heidi Kraft spent seven months in Iraq as a flight psychologist. She's out with a new book called "RULE NUMBER TWO: lessons I learned in a combat hospital. Attached is an interview Tom Hutlyer and Manda Factor did with Dr. Kraft.