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With the help of grow lights and air exchange fans, NASA is growing lettuce on the International Space Station. The scheme could help keep food costs down — and keep astronauts happy tending plants.

Grave questions face the Iraqi government, and U.S. officials are scrambling to decide what to do. The U.S. helped shape the country; is there anything it can — or would — do to keep it together?

Shortages of basic foodstuffs have fueled months of protests against Venezuela's socialist government. Some food producers are smuggling food across the border to get higher prices.

Shinseki has resigned his post, President Obama says, hours after the embattled head of Veterans Affairs said he would work to fix "systemic" problems in the VA's health care network.

Seattle minimum wage workers will see a gradual raise to $15 an hour — the highest in the nation. That won't end the argument about whether increases help or hurt employment.

"I see the government operating the way the founders intended," says FBI Director Jim Comey, who notes that branches of the U.S. government approved the bulk collection of U.S. phone records.

Iran's economy is in terrible shape. Inflation is rampant, Iran's currency — the rial — has plunged in value and oil exports have fallen dramatically. There's wide agreement that sanctions have squeezed Iran financially and increased pressure on its leaders to negotiate over the country's nuclear program.

The Asia trip is generating the kind of video and headlines that could prove useful if the vice president decides to run for president in 2016.

At auto plants, the tension is typically between the workers and the management. But not at Volkswagen in Chattanooga, where it's Republican officials who are trying to stand in the way. One of them is the Tennessee governor, who says a unionized plant might discourage other companies from coming to his state.

A number-crunching project that sifted through hundreds of thousands of recipes and user reviews finds something pork lovers have long known: Bacon does seem to take many dishes up a notch. But it's not the only "miracle" ingredient when it comes to boosting your food's flavor.