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George Smith, one of the famed Navajo code talkers who served the American military in World War II, has died. Host Michel Martin offers a tribute to his life and work.

Superstorm Sandy turned out the lights along the Eastern Seaboard, but Twitter was ablaze with comments. Host Michel Martin looks at the good, the bad, and the ugly of social media during Sandy, including intentional hoaxes. She speaks with Rey Junco of the Harvard Berkman Center for Internet and Society about why some users spread misinformation.

While better treatment options are being developed for patients with Crohn's, doctors still don't know what causes the disease. Russell Cohen, co-director of the Inflammatory Bowel Disease Center at the University of Chicago Medicine, provides an update on current research.

Election Day 2012 is just around the corner, and many Americans will be casting their ballots on electronic voting machines. But how reliable are these devices? Michael Alvarez, professor of political science at Caltech, discusses the technologies at your polling station.

Jordan is preparing to shelter tens, if not hundreds, of thousands. In Iraq, Syrians who thought they would be welcomed are finding themselves locked up and prevented from visiting relatives.

Monday's roundup of 2012 Summer Olympics news stories includes Michael Phelps in the butterfly semifinal, and London's attempts to deal with human and digital traffic. And in judo, an American scores a big upset.

Some food holidays are pure marketing, but at least this one has a bit of Olympic history behind it. Some of the first Olympians were said to have dined on cheesecakes, although they sound a bit different from cheesecakes today.

Though officials at the U.S. embassy and military command in Kabul dispute the finding, the inspector general for Afghan reconstruction says behind-schedule projects may leave Afghans disappointed.

The massive outage affected more people than live in the entire U.S. and caused chaos in some cities. Still, the country's power minister boasted that India has one of the world's best power grids. His claim didn't go over well.

Voter I.D. laws have been hotly debated this election season. Now, a Pennsylvania case is challenging that state's new Voter I.D. law. The Justice Department also announced that it will investigate whether the law is discriminatory. Host Michel Martin speaks with Columbia Law Professor Nathan Persily for more on the case.