How Religious Conservatives Shape The GOP Race

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Newt Gingrich has caught a wave of support these last few weeks, much of it from religious conservatives, a group that has significant influence in many state primaries. Host Scott Simon talks with Bob Vander Plaats, a leading social conservative who heads the Family Leader advocacy group, about the role of religious conservatives in the Iowa caucuses.
NPR

Chinese Dissident Artist Ai Weiwei Restricted To 20-Day U.K. Visa

Ai says he was denied a six-month visa because U.K. officials said he didn't list a criminal conviction in his application. Ai was imprisoned in China, but he notes he was never charged with a crime.
NPR

Humans Aren't The Only Ones To Go Ape Over Diets: Chimps Detox, Too

A group of Ugandan chimps has found a great way to boost their mineral intake and neutralize bitter compounds in their diet: by eating clay.
WAMU 88.5

The Politics Hour - July 31, 2015

Join us for our weekly review of the politics, policies, and personalities of the District of Columbia, Maryland and Virginia.

NPR

In Michigan, A Testing Ground For A Future Of Driverless Cars

Automakers and researchers are using a 32-acre fake city at the University of Michigan to simulate a real-world environment for autonomous vehicles. How will such cars affect urban planning?

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