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NPR's Joe Palca reports that researchers think they have figured out the function of the "breast cancer gene." Scientists have found evidence that the gene produces a protein that controls cell growth. And in experiments in the laboratory and in mice, the protein appears to shrink breast cancer tumors, suggesting it may provide a new way to treat breast cancer.

NPR's Joanne Silberner reports that a dispute has erupted in the medical community about how aggressive doctors should be about testing cholesterol levels. The American College of Physicians, which represents family doctors, today issued new guidelines for cholesterol screening that calls for less aggressive testing than the current federal government's recommendations.

NPR's Richard Gonzales reports on the country's biggest bust of computer chip thieves. More than 500 officers converged on hideouts and arrested 43 people from a high-tech ring that has been victimizing computer-chip businesses in Silicon Valley. The stolen microchips, worth up to $550 each, have been feeding an international gray market in stolen computer parts.

NPR's Brooke Gladstone reports on how dramatically the

Robert talks with Sherri Rottersman, a young classical

NPR's Elizabeth Arnold talks to Linda about today's campaigning in Arizona by commentator Pat Buchanan. Buchanan is spending the weekend in the state, which will hold its Republican presidential primary next Tuesday, The winner will take 39 delegates to the party convention this summer. Buchanan is in a tight three-way race there with Senator Bob Dole and publisher Steve Forbes, according to public opinion polls.

SCOTT DISCUSSES THE QUICK ELIMINATION OF SADDAM HUSSEIN'S TWO SONS-IN-LAW, MURDERED YESTERDAY IN IRAQ ONLY TWO DAYS AFTER RETURNING FROM THEIR DEFECTION TO JORDAN, WITH JOURNALIST MARIAM SHAHIN IN JORDAN.

COOKING CHICKEN: Essayist Diane Roberts relates some life lessons nd cooking tips from her mother.

Linda Gradstein reports that for two Sundays in a row now...terrorist bombs have struck Israel...leaving that country grieving and angry...and unsteadying the always delicate middle east peace process. Last Sunday, twin suicide bombings killed 26 in Israel. Today, a bus bomb in downtown Jerusalem killed at least 19. In response, Prime Minister Shimon Peres today declared war on the militant Hamas organization, which claimed responsibility for the attacks. Peres said Israel would not rest until Hamas has been destroyed.

Minnesota Public Radio's John Biewen has a profile of a working poor family. Many political leaders now say curing poverty is beyond the ability of government; poor people simply have to go to work. But millions of the poor already work. One in six Americans is poor, or near poor, despite having one or more family members in the workforce. The proportion of workers earning poverty-level wages has grown by 50-percent in the past 13 years.