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ARI SHAPIRO, HOST:

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

MARY LOUISE KELLY, HOST:

A rerun of the annulled presidential election in Kenya is in jeopardy. Two top election officials say they cannot guarantee a fair process. NPR's Eyder Peralta reports one of them fled to the United States fearing for her safety.

The Pentagon is tightening the screening process for immigrants who volunteer for military service and slowing their path to U.S. citizenship.

The U.S. military will no longer allow green card holders to enter basic training before the successful completion of a background check. The policy change is intended to improve security vetting of foreign-born recruits.

Rasika, an Indian restaurant in Washington, D.C., has won just about every recognition possible. The Washington Post called it the No. 1 restaurant in the city. The chef has won a James Beard award — basically the Oscars of the food world. President Obama celebrated his birthday there — twice. And though the place has been open for more than a decade, it is only just now coming out with a cookbook.

A year after a computer beat a human world champion in the ancient strategy game of Go, researchers say they have constructed an even stronger version of the program — one that can teach itself without the benefit of human knowledge.

The program, known as AlphaGo Zero, became a Go master in just three days by playing 4.9 million games against itself in quick succession.

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