Have you noticed a funny thing about America's long, hot summer of racial tension? Unlike other periods of racial strife, there is no massive activity here. There is no national debate. There is only media.
Put aside the crazy "Obama's a Muslim" idiocy -- assume John McCain had won the presidency instead. Do you really think the Senate would confirm a Muslim candidate right now, even a conservative right-wing one? I don't.
Her performance was so strong and so well focused that it would be foolish not to immediately send her out on the campaign trail and/or to as many television interviews as she can squeeze into her schedule.