Podcast:The Brian Lehrer Show Published On: Thu Jul 02 2026 Description: Sarah Pearsall, professor in the Department of History at Johns Hopkins University and the author of Freedom Round the Globe: A World History of the American Revolution (Doubleday, 2026), draws on the ideals in the Declaration of Independence to examine the global revolutionary spirit of 1776. Photo: 1776, Bonne Map of Louisiana and the British Colonies in North America, Rigobert Bonne 1727 – 1794, one of the most important cartographers of the late 18th century. (Photo by: Sepia Times/Universal Images Group via Getty Images) Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.