“Agents say that, whether at the vice president’s residence or at his home in Delaware, Biden has a habit of swimming in his pool nude,” Kessler writes.

“Female Secret Service agents find that offensive.”

More serious is Biden’s insistence, according to Kessler, that his official motorcade not interfere with his neighbors back in his home turf of Delaware.

That means the veep puts an uncomfortable — perhaps even dangerous — distance between himself and the vehicles carrying his physician and the 40-pound “football” that enables him, if necessary, to authorize the launching of a nuclear warhead, the book claims.