A classic work of nonfiction about the Vietnam War, Friendly Fire is the gripping, emotionally charged story of an American soldier's death, his family's quest for answers, and the distrust the war sowed between the American people and their government   Drafted into the US Army, Michael Mullen left his family's Iowa farm in September 1969 to fight for his country in Vietnam. Six months later, he returned home in a casket. Michael wasn't killed by...