Terry Gross

In The Price of Inequality, Nobel Prize-winning economist Joseph Stiglitz argues that widely unequal societies don't function effectively or have stable economies. Even the rich will pay a steep price if economic inequalities continue to worsen, he says.

New York Times chief Washington correspondent David Sanger details how President Obama accelerated the use of innovative weapons to fight the wars in Afghanistan and Iraq, and sped up a wave of cyberattacks against Iran to destroy its nuclear centrifuges.

What does the Internet look like? Journalist Andrew Blum decided to find out. His new book, Tubes, is a journey into the Internet's physical infrastructure -- where our data is stored and transmitted.