When Sgt. Paul Braun (right) first met Philip, the Iraqi interpreter assigned to his company, he didn't trust him. But after his tour was over, he worked for years to get Philip a visa to come to the U.S. Storycorps hide caption

itoggle caption Storycorps

When Phil Mortillaro dropped out of school in eighth grade, he started work as a locksmith. Now he and his son, Philip Jr., run their own shop in Manhattan. StoryCorps hide caption

itoggle caption StoryCorps

Native American protesters have been demonstrating against Columbus Day in Seattle for several years. Protest organizers say Columbus should not be credited with discovering the Western Hemisphere at a time when it was already inhabited. Elaine Thompson/AP hide caption

itoggle caption Elaine Thompson/AP

Paul Pillar (right), a former national intelligence officer, with teammate Aaron David Miller, argues that the U.S. should have a smaller military footprint in the Middle East. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.