San Marino, surrounded by Italy, is the world’s smallest republic and likely Europe’s oldest existing state. According to tradition, its founder, Marino—a Christian stonecutter from Dalmatia—took refuge on Mount Titano in the Apennines to escape religious persecution. By the mid-5th century, a community had formed. Its relatively inaccessible location has helped it to maintain its independence with only a few brief interruptions. Which US president was made an honorary citizen of San Marino? Discuss