 coast to coast on bloomberg radio nationwide on sirius xm and around the world on bloomberg.com and the bloomberg business app this is bloomberg daybreak good morning i'm nathan hager president biden's decision to abandon his re-election campaign and endorse vice president kamala harris is setting off a four-month sprint for democrats to keep their bid for holding on to the white house alive and to hold off a trump vance campaign that had been on the rise since the republican convention