Even with an economy that's booming, thousands of Chileans took to the streets of the capital Santiago to protest economic inequality in their country. Lisa Mullins speaks with American journalist Jonathan Franklin in Santiago about what workers say is a widening gap between their wages and the country's elite. He writes for the British newspaper, "The Guardian."

Even as the remaining South Korean hostages held by the Taliban in Afghanistan were being released, issues raised by the ordeal remain. Correspondent Jason Strothers reports on the story from Seoul, So Korea.

Anchor Lisa Mullins speaks with Claire Hajaj of the United Nations about a cholera outbreak in northern Iraq. The outbreak started at a malfunctioning water treatment plant. Problems with Iraq's infrastructure are a threat to the public health of its citizens.

Iraq's ability to build up its own security forces is still not improving. So says a draft report from the Government Accountability Office obtained by The Washington Post. Lisa Mullins speaks with Washington Post Senior Pentagon Correspondent Tom Ricks about the report's findings which concluded that Iraq hasn't met most of the benchmarks set by the US Congress.

Vinyl records are as much a thing of the past as the Titanic. At least that's what most of us think. One man in Minnesota refuses to give up on vinyl, though. Reporter Todd Melby brings us today's Global Hit. It features, among others, the band "Velvet Underwear" from Brussels...and that makes the Belgian capital the answer to our Geo Quiz.

The World's Alex Gallafent reports on a key that some say could have saved the Titanic from disaster. The key is being auctioned next month in Britain. It supposedly is the key that would have unlocked the cabinet that held the binoculars for the crow's nest crew on the Titanic. They could have used the binoculars to spot the iceberg that the Titanic crashed into. But legend has it they couldn't use the binoculars because the key went missing.

Congo's military says it's going to continue to fight Rwandan rebels that are based in its territory. And the UN says half a million people will become refugees causing a major humanitarian crisis. The Rwandan government is pressing for a renewed offensive against the rebels, largely Hutu tribesmen. We get more on the story from Anna Sussman reporting from Eastern Congo.

The World's daily geography quiz.

Anchor Lisa Mullins gets an update on technology available to the US military in Iraq from Wired Magazine contributing editor, Noah Shachtman. Shachtman is currently embedded with Marines in Fallujah and was last in Iraq in 2005.