David Plouffe, Sen. Obama's campaign manager, gave a  presentation you could nickname "viability in Powerpoint" to the DNC and members of the media in Washington today. It shows that Obama is consolidating Democrats, performing extraordinarily among women and well among Hispanics in recent polling, and of course is turning red states such as Virginia, Florida and Missouri blue.

It is very interesting, and shows what kind of historic year this can be, if the Obama Team runs a tough, organized and on-message campaign. So far they are doing a good job, but in the past, it is August or so where Democratic nominees have gone to die politically.

So cautiously optimistic is probably the best frame of mind if you're a progressive.