Supreme Court Justice Sonia Sotomayor, Homeland Security Secretary Janet Napolitano and former Secretary of State Condoleezza Rice -- what do these women have in common?
Despite their widely varying political and personal experiences, all three of these powerful women do not have children, and some experts think this fact may have contributed directly to their successes.
A new study from the University of Chicago claims that childless women become more successful in the workplace than...
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