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Editor's Note: The Zen Zone

This story appears in the March 2012 issue of Entrepreneur. Subscribe »

Amy C. CosperThe L-word. Who doesn't get a little tingly when the subject comes up? Wait, not that L-word--the other one: leadership. Yes, leadership is one of the most hotly discussed, debated and proselytized words in the lexicon of business. And there's good reason to keep tumbling the topic around: Great companies have great leaders--but a bad leader can tank a great company.

Scroll through the leadership section of any online bookstore and it's easy to see that theories on the subject come and go faster than location-based social sites. And those theories tend to mimic the zeitgeist.

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