Duty, honor, country — these three words underline the ethos of graduates from the United States Military Academy in West Point, New York. The current commandant of the Army’s officer academy is broadening the mission statement, but the refrain “duty, honor, country” continues to guide all who serve in the U.S. military. President Joe Biden should pay greater attention to these selfless Americans and to others who have previously held his office. Together with former President Abraham Lincoln, who held the nation together in a great civil war, former President George Washington, the founding father of the nation, stands atop...