The answer to today's Geo Quiz is the Aegean Sea.

Mexican-American singer-songwriter Lila Downs knows what it's like to be an immigrant. She's sung about this on at least one of her recent albums. While her latest CD doesn't make any overt statements about the immigration experience, she supports those who are protesting today. The World's Marco Werman has today's Global Hit.

Tehran warned today that Israel would be its first target in response to any US attack on Iran. Meanwhile, Washington is trying to coordinate a strategy with other permanent members of the United Nations Security Council to pressure Iran to suspend uranium enrichment. Anchor Lisa Mullins speaks with Barry Posen, from MIT, who says the international community can deal with a nuclear Iran; and Raymond Tanter of Georgetown University, who supports a tough approach to Iran.

Yesterday, Bolivian President Evo Morales nationalized his country's natural gas reserves. US companies don't have much invested in Bolivia's gas industry, but they're concerned about how the move may affect the climate of foreign investment throughout Latin America. That concern is even stronger in Spain, home to one of the energy companies with the most assets in Bolivia. The World's Gerry Hadden has more on the story from Barcelona.

Anchor Lisa Mullins speaks with Rachel Bronson, author of the new book, "Thicker Than Oil: America's Uneasy Partnership With Saudi Arabia."

The United States is spending billions of dollars to rebuild Iraq and Afghanistan, but according to a report in Foreign Policy magazine, both are considered to be among the most vulnerable states in the world. Anchor Lisa Mullins speaks with David Bosco, senior editor at Foreign Policy, about the publication's "Failed States Index."

A new novel tells the story of a wealthy Russian whose failure to get a US visa takes him to a thinly fictionalized former Soviet state where everything goes wrong. It's called "Absurdistan." Correspondent Julie Barton has more.

Anchor Lisa Mullins speaks with US Assistant Secretary of State Richard Boucher. He's in Nepal today to meet with that country's new prime minister. They're slated to discuss Nepal's plans for restoring democracy

Where in the world will we go today?