He has an appeal Clinton will never match:

Political organizing for Democrats in red states like Nebraska can often feel a bit like leading AA meetings. But that hasn't deterred more than 300 Nebraskans from forming a dozen groups for Senator Barack Obama's presidential campaign, and they aren't the only ones. On Monday, the Obama campaign announced that over 300 Iowa and New Hampshire Republicans had decided to cross party lines to support Obama. At Obama events in Oklahoma, Kentucky, Virginia and Georgia, a good 20% of audiences routinely raise their hands when emcees ask for Republicans in the crowd. A "Republicans for Obama" website has 11 state chapters with 146 members. An August University of Iowa even found Obama running third in the state among Republican candidates, behind Mitt Romney and Rudy Giuliani but ahead of both Fred Thompson and John McCain. And a national Gallup poll this month also found that nearly as many Republicans like Obama 39% than the 43% that dislike him, compared with the 78% of Republicans who held an unfavorable opinion of Hillary Clinton.

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