as my family and i have worked through the grieving process, i've said all along, what i've said time and again to others, that it may very well be that that process by the time we get through it, closes the window on mounting a realistic campaign. for president. that it might close. i've concluded it has closed. >> well, vice president biden ending the suspense today in a rose garden appearance announcing he will not seek the democratic nomination for president. let's bring in our panel. steve hayes, of the "weekly standard," karen tumelty from the "washington post" and syndicated columnist charles