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The medical practice known as Reproductive Biology Associates, located in the Atlanta suburb of Dunwoody, is pretty typical of the 315 fertility clinics in the U.S. and of the hundreds more in other countries around the world. Most of its patients--couples, mainly, but also single women--are here on this crisp, bright autumn day because they have tried in vain to have babies the old-fashioned way. Now they hope that medical science can help them satisfy that most basic of instincts, programmed into the brain and body by millions of years of evolution: the urge to bear children.

The depth of that...

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GEORGE LITTLE, Pentagon press secretary, on the decision to ease the restrictions on women in combat roles; women currently make up nearly 14% of the U.S. armed forces
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