Terry Gross

The New Yorker's Ryan Lizza details President Obama's response to the ongoing uprisings in North Africa and the Middle East. He explains why the president's actions — in Egypt and then in Libya — say a great deal about the administration's larger foreign policy ideology.

New York Times financial writer Diana Henriques was the first journalist to interview Bernie Madoff after he was sent to prison. Henriques' new book, The Wizard of Lies, details how Madoff created the biggest Ponzi scheme in history after playing a prominent role in shaping modern markets.

Anesthesiologist Emery Brown explains what physicians know — and what they don't know — about the effects of anesthesia. Unlocking its mysteries, he says, will help scientists better understand consciousness and sleep — and could lead to better treatments for pain, sleep disorders and depression.