<p><b>How did Europe''s oldest political institution come to grips with the disruptive new technology of print?</b></p><p>Printing thrived after it came to Rome in the 1460s. Renaissance scholars, poets, and pilgrims in the Eternal City formed a ready market for mass-produced books. But Rome was also a capital city¿seat of the Renaissance papacy, home to its bureaucracy, and a hub of international diplomacy¿and print played a role in these circles, too. In<i> Papal Bull</i>, Margaret Meserve uncovers a critical new dimension of the history of early Italian printing by revealing how the Renaissance popes wielded print as a political tool. </p><p>Over half a century of war and controversy¿from approximately 1470 to 1520¿the papacy and its agents deployed printed texts to potent effect, excommunicating enemies, pursuing diplomatic alliances, condemning heretics, publishing indulgences, promoting new traditions, and luring pilgrims and their money to the papal city. Early modern historians