After the Cold War, some hoped that the end of superpower competition would usher in a world of lasting peace and cooperation. Former CIA operations officer Sean M. Wiswesser saw where that hope faded only to be replaced by a new era of espionage and covert affairs.

After the Cold War, some hoped that the end of superpower competition would usher in a world of lasting peace and cooperation. Former CIA operations officer Sean M. Wiswesser saw where that hope faded only to be replaced by a new era of espionage and covert affairs.

The human mind has difficulty comprehending just how much money one billion dollars actually is. The New York Times' Steven Rich is part of a reporting team that has unpacked the power of billionaires in American communities and American politics - where their influence is substantial.

American audiences know the history of slavery in the United States - from 1619 to the emancipation proclamation. Historian Carrie Gibson reminds us that slavery in the Western hemisphere predates the British colonies of North America, lasted decades after the end of the American Civil War, and was punctuated by perpetual resistance, especially from enslaved persons themselves.

The history of American-Iranian relations is complex, sometimes contradictory, and repeatedly violent. Author Scott Anderson explains that history with a special focus on the Islamic revolution in Iran, the fracture that followed, and its continued relevance today.

To Americans, it's soccer. To most of the rest of the world, it's football. Author and journalist Nick Greene traces the evolution of the game played with our feet from a 19th century British past-time to today's glittering World Cup.

The prognosticators of doom for traditional newspapers are everywhere and it's hard to argue with them. But for more than a decade, Matthew Watkins has been part of a new model of non-profit journalism at The Texas Tribune as editor in chief.

Two-hundred and fifty years ago, patriots gathered in Philadelphia declared America's independence from England. Former U.S. ambassador David McKean and historian M. Todd Bennett explore the celebrations that have followed every 50 years since, revealing the enduring challenges and promise of the American republic.

Thomas Jefferson and Alexander Hamilton stand astride the core debates in American history from neutrality to civil rights and beyond. New York Times bestselling author and constitutional scholar Jeffrey Rosen traces that history, the rise and falls of each man's reputation, and the enduring questions they asked about power, the citizen, and the American state.

Whether it's the existence of God, UFOs, or the nature of consciousness, we all grapple with mysteries of the universe. Where some find answers in religious faith, New York Times bestselling science writer Michael Shermer challenges people to demand answers rooted in science and skepticism.