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NPR's Joe Neel reports that two major studies released today are raising new questions about the value of beta carotene in preventing cancer. The government-sponsored studies failed to find any evidence that beta carotene reduces the risk for cancer. In fact, one of the studies suggests that beta carotene may increase the risk for cancer.

We pay homage to Frank Dorsa, inventor of the frozen waffle, who died earlier this week.

Cowboys are synomymous with rugged individualism. But those who ride for money at the rodeo are finding the cowboy way doesn't necessarily pay. The riders say the professional rodeo association that runs the rodeos isn't looking out for their interests. NPR's Mark Roberts reports on the riders' plans to form their own union.

The only major organ of government that has kept operating through two Washington snow storms is the Supreme Court. We talk to NPR's Nina Totenberg about how the Court did it and why.

Linda Wertheimer speaks with Senator Bill Bradley about his new book, Time Present, Time Past. The Senator who will not be standing for re-election, muses over his experiences in politics and what he has learned about leadership and effectiveness in today's society.

The warring sides in Bosnia have complied with demands in the Dayton peace agreement to pull back from the cease fire lines. NATO troops have moved into a buffer zone separating Bosnians, Serbs and Croats. NPR's Mike Shuster went along with one U.S. Army unit as it searched a section of the cease fire lines for mines and bunkers.

Daniel talks with NPR's Martha Raddatz who is in Bosnia covering the NATO troop deployment. An American soldier was wounded today after stepping on a land mine...not too far from where soldiers are constructing a pontoon bridge into Bosnia.

believed to be by Michelangelo.

including efforts at privatization and difficulties in securing an International Monetary Fund loan.

NPR's Anne Garrels reports from Moscow on the continuing battle between Russians and Chechen rebels. In a southern Russian village, it is the third day of artillery and rocket attacks on Chechens holding hostages. In the Chechen capital of Grozny, 30 workers at a power plant have been kidnapped. And, in the Black Sea, another group of rebels holds 200 people hostage aboard a ferry which they have threatened to blow up.