As a young sociology professor, Rosabeth Moss Kanter studied life in 19th-century utopian communities. By the late 1970s, however, her focus had shifted to a less idealized environment: the modern American corporation. Since then Kanter, a professor at Harvard Business School, has authored 16 books; the latest is "Confidence: How Winning and Losing Streaks Begin and End." She spoke with NEWSWEEK'S Daniel McGinn about how confidence affects women's careers.
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