T he first person I saw when I walked into the Pentagon for the final time was Jimmy. I don’t even know his last name, but I know his story. Before he started work at the labyrinthine headquarters of America’s armed forces, he was a medic in the Marine Corps. For the past 21 years, he has been a building police officer and an unofficial, affable greeter. Jimmy only told me about his military career in 2021, the morning after 13 troops were killed in a suicide bombing at the entrance of the