A truck drives on top of a levee that protects a soybean field in New Madrid County, Mo., when the Mississippi River floods. Kristofor Husted/KBIA hide caption

itoggle caption Kristofor Husted/KBIA

Drilling rigs dot the landscape near Calumet, Okla., in April 2013. Oklahoma's economy blossomed during the domestic fracking boom, but as the price of crude oil drops, that could change. Sue Ogrocki/AP hide caption

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Quinault Indian Nation President Fawn Sharp stands on the docks as tribal crabbers unload their catch. The tribe has vowed to fight the oil train-to-ship terminals proposed for Grays Harbor. Ashley Ahearn/KUOW hide caption

itoggle caption Ashley Ahearn/KUOW

Trucks move containers at the Port of Long Beach in California on Tuesday. Contract negotiations between dockworkers and shipping companies have led to a slowdown on the piers. Jae C. Hong/AP hide caption

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An oil well in Garden City, Texas. With prices plunging, oil companies are laying off thousands of workers. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

Oranges sit in crates at the Rancho Del Sol Organics farm in San Diego County, Calif., in 2014. A labor dispute at major West Coast ports has left millions of pounds of California oranges stranded in warehouses and on half-loaded boats. Sam Hodgson/Bloomberg via Getty Images hide caption

itoggle caption Sam Hodgson/Bloomberg via Getty Images

Maggie Barcellano prepares dinner in January 2014 at her father's house in Austin, Texas. Barcellano, who lives with her father, enrolled in the food stamps program while she works as a home health aide and raises her 3-year-old daughter. A study suggests that social safety nets, including food stamps, helped cushion income losses for middle- and working-class Americans during the recession. Tamir Kalifa/AP hide caption

itoggle caption Tamir Kalifa/AP

A realty sign hangs in front of a home for sale in Orlando, Fla. Housing advocates say banks, stung by the housing crisis and its fallout, remain reluctant to lend. John Raoux/AP hide caption

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Greek Prime Minister Alexis Tsipras addresses lawmakers at the Parliament in Athens on Tuesday. Greece is in talks with European finance ministers over its debt. Simela Pantzartzi/EPA/Landov hide caption

itoggle caption Simela Pantzartzi/EPA/Landov