Terry Gross

United States security has long been a primary issue for the conservative movement. But is an aggressive foreign policy actually counterproductive? Author J. Peter Scoblic says yes.

Traffic congestion is the bane of any commuter's morning ride to work. Tom Vanderbilt, the author of Traffic: Why We Drive the Way We Do, talks about the behavior that leads to gridlock — and other vehicular annoyances.

The quest to understand what makes us us has long been one of humankind's great pursuits. Neuroscientist Michael Gazzaniga has made progress: He's the author of Human: The Science Behind What Makes Us Unique.