But the president is still trying to unite the Republican Party.
The Democratic nominee delivers strongest case yet against McCain campaign, prods Americans to change the direction of the country.
Citing dreary job numbers, some economists see the first 'recession election' since 1980.
The most important things presidents do are often not preset items but reactive moves to events unforeseen.
A president needs inspiring rhetoric, savvy, and a like-minded public.
Will it stand alongside the great speeches in US history?
The house that Reagan built shows cracks, as the far right chafes at McCain as GOP standard-bearer.