Jed Brown drives 100 miles each day to work between Pennsylvania and West Virginia. Cheaper gas is making his commute more manageable, but he doesn't expect the low prices to last. Uri Berliner/NPR hide caption

itoggle caption Uri Berliner/NPR

The leader of Greece's left-wing Syriza party Alexis Tsipras casts his ballot in Athens on Sunday. His anti-austerity party was ahead in earlier polling. Aris Messinis/Getty Images hide caption

itoggle caption Aris Messinis/Getty Images

One demonstrator advocates for paid sick leave at a 2013 rally outside New York's city hall. The city is now one of several in the U.S. to have passed a measure mandating paid sick days. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

An aerial view from March, 2014, shows the Presidio of Monterey located in Monterey, Calif. The Army base, which is home to the Defense Language Institute, has partnered with the city in an effort to curb costs. Natela A. Cutter/U.S. Army via Flickr hide caption

itoggle caption Natela A. Cutter/U.S. Army via Flickr