The historical records are clear: Native tribes knew American colonists were coming for their lands by any means necessary — and millions were slaughtered in the process. Jeffrey Ostler, Beekman Professor of Northwest and Pacific History at the University of Oregon, joins guest host John McCaa to talk about how America was built in part on relentless violence and Native American dispossession. His book is called “Surviving Genocide: Native Nations and the United States from the American Revolution to Bleeding Kansas.”