Chuck Todd's theory:
"'....reminds us of conversations we had a few months ago with various McCain partisans, who believed if they could convince voters that Obama would be president someday if he loses this year, then McCain could win. That word "yet" is aimed at those voters who want change, are tired of Bush, aren't thrilled with McCain these last few weeks, but aren't convinced Obama's ready. It may be too late to make the "McCain as transitional president" argument, but this is a fickle electorate."
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