Former Presidents Bush, Obama and Clinton honor George H.W. Bush
02:21Before President George H.W. Bush’s death, three former presidents, including his own son, spoke with “60 Minutes” about his life and impact on the world. President George W. Bush said of his father, “I think he's going to go down as the greatest one-term president ever,” while President Bill Clinton remarked on the friendship he came to share with his predecessor.