The Heart of Everything That Is: The Untold Story of Red Cloud, An American Legend Guest: Tom Clavin, journalist and co-author, "The Heart of Everything That Is: The Untold Story of Red Cloud, An American Legend" Native American leader Red Cloud accomplished what no Native American had before—defeating the US Army. He was feted in Washington, but then his fame dwindled. Here's his story.  How the Civil War Affected the American West Guest: Megan Kate Nelson, author, "The Three-Cornered War: The Union, the Confederacy, and Native Peoples in the Fight for the West"  The Civil War didn't just impact the East—it also affected the development of the Western United States. People often forget that before the Civil War, the US was engaged in a massive effort to expand its borders. The Union and the Confederacy competed for control of the Western territories during the Civil War.  How the Bicycle Changed American History Guest: Margaret Guroff, author, “The Mechanical Horse: How the Bicycle Reshaped American Life” Two hundred years ago, in 1819, the precursor to the modern bicycle first arrived in America. And doctors warned that they were hazardous to human health.