NPR CEO Jarl Mohn has named Nancy Barnes, a veteran newspaper editor, as the network's permanent chief news executive, NPR announced Tuesday. Barnes fills a nearly yearlong vacancy that was triggered by the firing of Michael Oreskes, NPR's former news head, over allegations of sexual harassment.

The price of beer could rise sharply this century — and it has nothing to do with trends in craft brewing. Instead, a new study says beer prices could double, on average, because of the price of malted barley, a key ingredient in the world's favorite alcoholic drink.

By projecting heat and drought trends over the coming decades, a team of researchers in China, the U.K. and the U.S. found that barley production could be sharply affected by the shifting climate. And that means some parts of the world likely would be forced to pay much more for a beer.

All F-35 fighter jets deployed to the U.S. and its allies have been temporarily grounded following a crash of one of the aircraft in South Carolina last month.

In a statement, the F-35 Joint Program Office said the U.S. and its international partners had suspended flights of the Joint Strike Fighter, also known as the Lightening II, until a fleet-wide inspection of the aircraft's fuel tubes is completed.

A number of states are blocking web traffic from foreign countries to their voter registration websites, making the process harder for some U.S. citizens who live overseas to vote, despite the practice providing no real security benefits.