WASHINGTON (AP) — Joe and Jill Biden have added a pair of black Lab-mix puppies named Boo and Scout to the former president’s home in Delaware, adopting the sibling dogs after they were rescued from a shelter in Tennessee. The dogs were paired with the Bidens through a Delaware animal welfare organization that announced the adoption Monday and released a photo of the Bidens smiling alongside the puppies and their cat, Willow. Humane Animal Partners said it helped the Bidens find the dogs after