Pistachio trees in California's drought-stricken Central Valley. Stacey Vanek Smith / NPR hide caption
Store windows in Athens have automatic shutters that go down when a protest is coming. Robert Smith/NPR hide caption
Greek Euro Duncan Hull / flickr hide caption
Queues outside an ATM on Sunday June 28 in Litochoro, Greece afilitos / flickr hide caption
In today's show, Carla A. Hills recalls this photograph of a three-way handshake with Canada's Minister Wilson and Mexico's Secretary Serra following the conclusion of NAFTA negotiation. Courtesy of American Bar Association hide caption
The evolution of exoskeletons, hanging on the wall at Ekso Bionics in Richmond, Calif. Peter Earl McCollough for NPR hide caption



