All the star wattage comes as Obama's campaign is warning supporters that they need to give or Obama could lose. Central to Obama's strategy is having a larger number of people giving small-to-medium donations. His campaign says 98 percent of donations received in May came in amounts of $250 or less.
"The other side has the money," campaign manager Jim Messina said in one appeal to donors. "They know they can buy the election if they spend it."
Follow Julie Pace at http://twitter.com /jpaceDC and Ben Feller at http://twitter.com/BenFellerDC
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