Joe Biden will name the woman he wants as his vice president in the days following signs he is struggling to find the perfect candidate and a backlash against front-runner Kamala Harris.
The choice of Mr Biden, 77, is more than usually significant because if he defeats President Trump in November, his age means his vice president will be in the top spot to succeed him in 2024 or sooner if he does. withdraws. Ms Harris, 55, a California senator who ran against him for the presidential nomination, has been the subject of a campaign by party members who see her as ambitious and untrustworthy.
Mr Biden has an eight-point lead over Mr Trump in a recent poll average, giving him the luxury of looking beyond