Darryl Ponicsan never imagined that his first novel, "The Last Detail", would be a continuing story. With the invasion of Iraq, however, the same elements that inspired the original - injustice, a senseless war, men of honor and duty caught in untenable positions - compelled him to revisit Billy Bad-Ass, Mule, and the hapless Meadows, and to see how his characters were faring in post-9/11 American life. The result is "Last Flag Flying", a story as tough and tender, sad, and funny as "The Last De...