Washington (AFP) – US presidential candidate Joe Biden will not reveal his long-awaited choice of running mate this week despite previous expectations he would, his campaign told AFP on Tuesday.”I’m going to have a choice in the first week in August,” Biden told reporters on July 28. “And I promise, I’ll let you know when I do.”His selection will “not be made during this current week,” a member of his campaign team said, though it must be done before the Democratic party convention opens on August 17.The former vice president to Barack Obama has promised that he would choose a woman to join hi…