WASHINGTON — President Joe Biden, hosting both Republican and Democratic governors for a black-tie affair at the White House, raised his glass for a toast.Standing under a portrait of Abraham Lincoln, he told the people in the room to remember who they were. “We’re the United States of America. We can get big things done if we do it together.”“Cheers!” the crowd replied, as the clink-clink of glasses rippled about the State Dining Room.Biden hosted the dinner for members of the National …