Reporter Jeff Lunden profiles classical singer Thomas Quasthoff. The German bass-baritone has won three Grammy Awards and achieved international success. And he's overcome significant physical challenges to do it.

Today we're heading to South Australia where the international cycling race, the Tour Down Under, is under way. The answer is Adelaide, Australia. Anchor Marco Werman gets details about the race from ABC (Australian Broadcasting Corp.) sports reporter John Thompson-Mills who's got his eye on American cyclist Lance Armstrong as he tries to make a comeback.

Our daily Geography Quiz goes down under today.

Rwandan Hutu militias have continued to survive in eastern Congo for a decade. In some cases, they've received support from Rwandans around the world, including some in the United States. Reporter Michael Kavanagh has the story of a Hutu rebel political leader who makes his home in New Jersey.

Rwandan authorities have arrested renegade Congolese general, Laurent Nkunda. He's the leader of a Tutsi rebel force that's been involved in the long-running war in the eastern part of the Democratic Republic of Congo. Anchor Marco Werman gets the story from the BBC's Peter Greste.

War in Congo

China has just reported four new human cases of bird flu -- three of them fatal -- as millions of Chinese prepare to travel throughout the country for the lunar New Year. The World's Mary Kay Magistad has this update.

President Barack Obama is expected to sign an executive order today that would lift the ban on US funding for foreign family planning organizations that promote or provide information about abortion. The World's Jason Margolis explains.

The Obama administration promises to "forge a hard-earned peace in Afghanistan." But Afghanistan is a nation struggling with violence, corruption, tribal rivalries, and an economy built on the drug trade. Anchor Marco Werman speaks with Rory Stewart about the challenges in Afghanistan. Stewart has lived and traveled in Afghanistan, and is now faculty director of Harvard's Carr Center for Human Rights Policy.

President Obama has appointed Richard Holbrooke, one of America's best-known diplomatic troubleshooters, as special representative to Afghanistan and Pakistan. The World's Jeb Sharp reports on the man and his mandate.

Taliban resurgence

Anchor Marco Werman speaks with Marc Garlasco, Senior Military Analyst at Human Rights Watch, who is in Gaza to study how the conflict there was fought -- on both sides. He's examining the human costs of war.

Gaza conflict