Dave Davies

PBS looks at the origins of the agency's surveillance program and the extraordinary steps top government officials took to give it legal cover and keep it hidden.

The NSA managed to penetrate the networks of the giant Chinese telecommunications firm Huawei, documents show. Journalist David Sanger says cyber-espionage is an "entirely new field of conflict."

Karen Russell's new book imagines a mysterious insomnia epidemic so serious that many are dying from lack of sleep. But the cure — sleep donations from babies — is hard to swallow.