Weekend Edition

Yngwie Malmsteen is the king of the neoclassical shred guitar. Since 1984's Rising Force, the Swedish musician and composer has somehow bridged centuries, from Paganini to his own arpeggiated acrobatics.

It's been 70 years since the letters of John Pryor were understood in their full meaning. That's because as a British prisoner of war in Nazi Germany, Pryor's letters home to his family also included intricate codes that were recently deciphered for the first time since the 1940s.

Pryor's letters served their purpose in World War II, as Britain's MI9 agents decoded the messages hidden within them — requests for supplies, notes about German activities — before sending them along to Pryor's family in Cornwall.

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SCOTT SIMON, HOST:

Transcript

SCOTT SIMON, HOST:

This is WEEKEND EDITION from NPR News. I'm Scott Simon. President Obama is in Costa Rica today. He's talking with leaders of Central American nations about security and economic trade. Yesterday, the president wrapped up a two-day visit in Mexico, where he tried to steer the focus away from contentious issues like immigration and drug violence. NPR's Carrie Kahn reports from Mexico City.

CARRIE KAHN, BYLINE: During their quick visit, Presidents Obama and Pena Nieto stuck to their focus: the economy.

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SCOTT SIMON, HOST: