Vice President Joe Biden enjoys swimming without a bathing suit, a new book claims.Biden, who’s flirting with a run for president in 2016, gives Secret Service agents an eyeful both at his Delaware home and at the vice president’s official residence in Washington, D.C., according to “The First Family Detail” by Ronald Kessler.The book relies on named and unnamed sources to describe life guarding prominent politicians including Biden, former President Ronald Reagan, former Secretary of State Hillary Clinton and President Barack Obama. “Agents say that, whether at the vice president’s residence or at his home in Delaware, Biden has a...