03/21/2013 03:28 pm ET

Arianna Huffington On The Second Women's Movement

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For Arianna Huffington, the wake-up call came in 2007. Long hours spent building the Huffington Post, carting her youngest daughter around the country on college visits and working through the night to make up for what she considered “lost time,” she finally fainted from exhaustion one afternoon in her office.

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