A new, high-tech way to avoid a traffic jam in Rome. The effects of global warming: on Europe's glaciers and the world's coral reefs. And the fight for High Definition DVD supremacy. More music from Mobius Operandi, the band that builds their own instruments.

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Ceremonies in New York, Washington, and Afghanistan honor the victims of the September 11th attacks five years ago. We hear from Mayor Michael Bloomberg in New York, Vice President Dick Cheney in Washington, and American soldiers in Kabul.

Anchor Lisa Mullins speaks with Afghanistan expert Barnett Rubin about the resurgent Taliban five years after the September 11th attacks.

Today is the 100th anniversary of the launch of Mahatma Gandhi's non-violence movement in South Africa. The World's Jeb Sharp explores the relevance of non-violent tactics in an age of terrorism.

Anchor Lisa Mullins speaks with Casey Parks, winner of a New York Times essay competition. The prize is a ten-day trip to Africa with Times columnist Nicholas Kristof. Parks tells us how September 11th opened her eyes to the importance of international affairs.

Host Lisa Mullins reports on how news media around the world are noting the changes in America's place on the world stage since the events of September 11, 2001.

The rival Palestinian factions of Hamas and Fatah announced today that they have reached an agreement on forming a new coalition government. Host Lisa Mullins gets reaction from Gershon Baskin, of the Israel-Palestine Center for Research and Information in Jerusalem.

Correspondent Jen Ross reports on Chile's own memories connected to September 11th -- and the way this date has become a traditional day of protest in the South American nation. On September 11th, 1973, a military coup toppled the democratically-elected government and ushered a military dictatorship that lasted 17 years.

Where in the world will we go today?