Despite spending $20 million in Iowa, Hillary Clinton could not top Barack Obama's organizational effort. Obama, 46, was a political phenom, a captivating speaker who drew tens of thousands of Iowans to his events, starting with his February 2007 announcement swing. To attend, participants were asked to provide their phone numbers and e-mail addresses; within days the campaign followed up by asking them to volunteer. Obama overwhelmed her from the bottom up, said Joe Trippi, pictured, an Edwards advisor who made pioneering use of the Internet as manager of Howard Deans 2004 presidential run.
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