John Brown was a charismatic and deeply religious man who heard the God of the Old Testament speaking to him, telling him to destroy slavery by any means. When Congress opened Kansas territory to slavery in 1854, Brown raised a band of followers to wage war. His men tore pro-slavery settlers from their homes and hacked them to death with broadswords. Three years later, Brown and his men assaulted the federal arsenal at Harpers Ferry, Virginia, hoping to arm slaves with weapons for a race war that would cleanse the nation of slavery. He wasn't the only one using strong methods to free slaves, but many questioned his violent methods.

Today's Guest, H.W. Brand, is author of the book "The Zealot and the Emancipator," an account of how two American giants shaped the war for freedom.

Brown’s violence pointed ambitious Illinois lawyer and former officeholder Abraham Lincoln toward a different solution to slavery: politics. Lincoln spoke cautiously and dreamed big, plotting his path back to Washington and perhaps to the White House. Yet his caution could not protect him from the vortex of violence Brown had set in motion. After Brown’s arrest, his righteous dignity on the way to the gallows led many in the North to see him as a martyr to liberty. Southerners responded with anger and horror to a terrorist being made into a saint. Lincoln shrewdly threaded the needle between the opposing voices of the fractured nation and won election as president. But the time for moderation had passed, and Lincoln’s fervent belief that democracy could resolve its moral crises peacefully faced its ultimate test.

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