WASHINGTON - The patter of paws is being heard in the White House again following the arrival of President Joe Biden’s dogs Champ and Major. The two German shepherds are the first pets to live at the executive mansion since the Obama administration. Major burst onto the national scene late last year after Biden, then president-elect, broke his right foot while playing with the dog at their home in Wilmington, Delaware. The Bidens adopted Major in 2018 from the Delaware Humane Association. Champ joined the family after the 2008 presidential election that made Joe Biden vice president. The Bidens had...