The World's Clark Boyd reports on governments that have found various ways to block citizens' access to internet sites. This web filtering is described in a new book, "Access Denied: The Practice and Policy of Global Internet Filtering".

The World's Mary Kay Magistad reports on how China's crackdown in Tibet is affecting the upcoming presidential election in Taiwan.

Anchor Lisa Mullins get the latest on the Chinese crackdown against Tibetan protestors from the BBC's Dan Griffiths.

Correspondent Kate Seelye reports that Saudi Arabia is trying to plan for a future after oil. The Kingdom is trying to diversify its economy, starting with the construction of some brand-new cities that may allow more social freedoms than the rest of the country. The flagship is called the "King Abdullah Economic City."

John McCain made his first visit to Israel today as the presumptive republican presidential candidate. McCain visited the southern Israeli town of Sderot, which has been the target of Palestinian rockets fired from across the border in Gaza. Correspondent Matt Gutman has the story.

The World's Quil Lawrence reports on how people in Iran view the war in Iraq, five years after the invasion.

President Bush spoke at the Pentagon today to mark the fifth anniversary of the US invasion of Iraq. Anchor Lisa Mullins gets reaction from a Baghdad native, Ghaith Abdul Ahad, who reports for the British newspaper, The Guardian.

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Reporter Rene Gutel profiles French jazz guitarist Thomas Dutronc. Dutronc is the son of the French pop star Jacques Dutronc.

French writer Antoine de Saint Exupéry disappeared while flying a reconnaissance mission during World War II. Now a new book claims to have the answer to what happened to him. It quotes a German pilot who believes he's the one who shot down Saint-Exupéry's plane near the French city of Toulon. Toulon is the answer of today's Geo quiz. The World's Gerry Hadden has the story.