Today's answer is the Iditarod National Trail in Alaska, where America's last great gold rush began 100 years ago today. Anchor Lisa Mullins finds out more from Kevin Keeler, the trail's administrator.

The World's Aaron Schachter recently met Pakistani singer Arieb Azhar. Azhar is not your typical Sufi singer. This vodka-drinking, bandana-wearing singer is breaking down barriers in Pakistan.

Today on The World: Vladimir Putin says the era of inexpensive natural gas is coming to an end; Barack Obama's approach to climate change could mean massive industrialization; and a Middle Eastern scarf goes from political symbol to fashion statement.

Russian prime minister Vladimir Putin warned today that the era of inexpensive natural gas is coming to an end. As one of the world's largest gas producers, Russia is a key player in the energy market. Anchor Lisa Mullins gets details from energy analyst Chris Weafer.

The Czech Republic depends on making low-end cars for Western Europe. The World's Gerry Hadden tells how that nation's economy is in trouble as the market for vehicles dries up.

It's the holiday season. And history buffs interested in the Vietnam War era just got a gift: newly-declassified tape recordings of President Nixon and Henry Kissinger. The World's Matthew Bell listens in.

Correspondent Jamila Trindle reports that hard economic times in Turkey have seen a spike in domestic violence. Many Turkish women who face abuse seek the safety of women's shelters. But the government is closing some down.

The black and white checkered scarf known as a keffiyeh is a symbol of Palestinian nationalism. But some Westerners wear the keffiyeh as a fashion statement. The World's Aaron Schachter explains why that's got some Palestinians perturbed.

Like Franklin Delano Roosevelt, President elect Obama is facing tough economic times, and an industrial challenge. While Roosevelt mobilized industry to fight a war, Obama pledges to mobilize to battle climate change. The World's Jason Margolis has more.

Our geography puzzler.