Upon leaving office, former President Barack Obama left his successor President Donald Trump a letter that he left on the Resolute Desk in the Oval Office. Trump vowed to cherish what he called the “beautiful letter” during a swearing-in ceremony for several top administration appointees in January. “It was really very nice of him to do that,” he said, adding that “we won’t even tell the press what’s in that letter.” CNN on Sunday obtained and posted the contents of the letter, which was signed “BO.” Read it below: “ Congratulations on a remarkable run. Millions have placed their hopes...