On June 29, 2012, in Atlanta, people from 54 countries became naturalized U.S. citizens. Read on to learn about their stories and what they think makes America exceptional. Among those naturalized were Denroy 'Peter' Willis of Jamaica, who came to America in 1992 and works at an auto dealership. "On the job, all the guys mess with me, joke with me about my speech and how I'm not American," he said. "When I go to work tomorrow, they can't say anything anymore. I'm an American."