Prescott Bush is the only person in U.S. history to be father of a U.S. President, grandfather of a U.S. President, and grandfather of a state governor. "Duty, Honor, Country" is more than a biography of the U.S. Senator from Connecticut, although it is that. It looks at the principles that Prescott Bush passed on like family heirlooms to his five children, including George H.W. Bush, the 41st President of the United States: discipline, duty, ethics,...