 He's relying on members of his family, a tight-knit clan that includes his son Hunter and First Lady Jill Biden, along with a tiny group of loyalists to steer him through a self-created crisis and quell a rising rebellion against his candidacy from within his own party. Mr. Biden has not consulted directly with the pollsters on his 500-person campaign team about the state of the race against Donald Trump, but has instead relied on Mike Donnellan, a longtime friend, former pollster, and Biden campaign messaging guru to summarize the number with regular memos and numerous daily phone calls.