Do you have some free time this Labor Day weekend? Spend it reading about a fascinating frame-up — or pondering the long hours we work. Here, travelers wait for trains at Union Station in Washington, D.C., on Friday, the start of the holiday weekend. Chip Somodevilla/Getty Images hide caption

A man tries to catch a Pokémon while playing Nintendo's Pokémon Go augmented-reality game in front of the Eiffel Tower in Paris on Wednesday. Edward Berthelot/Getty Images hide caption

The side of Jupiter's moon Europa that faces the giant planet. NASA/JPL/University of Arizona hide caption

Ammon Bundy, one of the sons of Nevada rancher Cliven Bundy, speaks during an interview at Malheur National Wildlife Refuge near Burns, Ore., in January. Rick Bowmer/AP hide caption

Margarita Engle is a Cuban-American poet and novelist. Sandra Ríos Balderrama/Courtesy of Margarita Engle hide caption

Ryan Johanningmeier, a Colorado football player, works out at Pro Scout day in 2000. He was profiled by the Denver Post recently, and that story is highlighted in this week's #NPRreads. John Epperson/Denver Post via Getty Images hide caption

Sprinklers water a lawn in Sacramento, Calif. Rich Pedroncelli/AP hide caption