Correspondent Will Everett profiles Iranian singer, Pari Zanganeh.

Correspondent Anita Elash looks back on the life of Cardinal Jean-Marie Lustiger, who died Sunday at the age of 80. Lustiger was born to Jewish parents but converted to Catholicism as a teenager. He went on to become an adviser to Pope John Paul II.

Today's answer is Zocalo Square/Plaza of the Constitution in Mexico City, where archaeologists believe they've discovered the tomb of an Aztec emperor. Anchor Lisa Mullins speaks with correspondent Franc Contreras.

Art experts have discovered a long-lost work by Vincent Van Gogh. Turns out the painting was hidden just under the surface at Boston's Museum of Fine Arts. The World's Jason Margolis has the story.

Where in the world will we go today?

The U.S. military has lost track of about one-third of the weapons it distributed to Iraqi forces since 2004. That's according to a report from the Government Accountability Office. The report says it's possible some of those weapons have wound up in the hands of insurgents. Anchor Lisa Mullins gets more from Rachel Stohl, an analyst at the Center for Defense Information and co-author of "The Small Arms Trade."

Most of China's computer users live in its cities. But some PC makers are now targeting the country's rural population. The World's Technology correspondent Clark Boyd has been following the story.

The Baltic nation of Estonia was hit by a series of cyber-attacks in late May and early June. Estonians accused Russian hackers but weren't able to prove it. The Estonian government is, however, making sure it doesn't happen again. Cyrus Farivar has the story.

Lebanon is politically paralyzed by anti-government protests. Its soldiers are engaged in a drawn-out battle with Islamic militants. But Lebanon manages to party on, despite its troubles or perhaps because of them. Correspondent Ben Gilbert has more.

Anchor Lisa Mullins speaks with Newsday reporter, Mohamad Bazzi, about the results of this weekend's by-elections in Lebanon. Kamil Khoury, a political unknown, beat out a former president to win his seat by less than 500 votes.