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A widespread drought is killing the livelihoods of pastoral nomads in the region known as the Horn of Africa. Cows, goats and other livestock have all died due to the water shortage. The devastation poses the question of whether the lifestyle of pastoralists -- who move between Somalia, Kenya and Ethiopia foraging for food and water for their herds -- can be sustained.

The Supreme Court hears arguments about a challenge to the Clean Water Act. The case involves a developer who refuses to apply for a permit to build on wetland-designated property. He says the federal act should not apply to the land, which is 20 miles from Lake Huron.

Despite what his supporters say, President Bush has far more in common with Richard Nixon than Ronald Reagan. That's the idea put forth in economist and syndicated columnist Bruce Bartlett's new book, Impostor.

Republican and Democrat lawmakers on Capitol Hill are calling for a halt to a deal that hands over operations at six U.S. ports to a company owned by Dubai. President Bush threatened to veto any legislation seeking to delay the $6.8 billion takeover. A look at why the transaction is so controversial.

The Canadian and United States hockey teams are heading home from the Turin Olympics after tough matches against rivals in Europe. Canada was beaten 2-0 by Russia in the quarterfinals and the Americans lost 4-3 to Finland.

The story of Danny and Annie Perasa — how they met, and how they've stayed in love — inspires many who hear it. At a recent ceremony to honor the couple, they gave new insights into their relationship.

Iraq's national security adviser, Moaffak al-Rubaie, talks to Melissa Block about the violence that has engulfed Iraq after yesterday's bombing of the Shiite Golden Mosque in Samarra.

For every Olympic event involving ice, there's a specialist to make sure the surface is just right. Jill Hunter Pellettieri, managing editor of Slate, tells Alex Chadwick about the experts managing Turin's ice show.

Studs Terkel has lived through and chronicled much of modern American history. He believes the positive changes brought by activist movements of the 20th century came from people working together.

A U.S. civil liberties group files a lawsuit against the CIA in the case of a man who says he was kidnapped and sent to Afghanistan to be interrogated as a terrorism suspect. The ACLU suit is the first legal challenge of a practice known as "extraordinary rendition."