Greitens, a Rhodes Scholar and humanitarian whose work took him to Rwanda, Albania, Mexico, India, Croatia, Bolivia, and Cambodia, recounts his unexpected decision to join the Navy SEALS. “We can certainly donate money and clothing, and we can volunteer in the refugee camps. But in the end these acts of kindness are done after the fact. They are done after people have been killed, their homes burned, their lives destroyed. Yes, the clothing, the bread, the school; they are all good and they are all much appreciated.