Michelle Obama delivered her final remarks as first lady of the United States on Friday, telling a room of educators that the role has been “the greatest honor” of her life. It was an emotional end to a White House event honoring the 2017 School Counselor of the Year, where she also urged young people to embrace diversity and empower themselves through the education. “As I end my time in the White House, I can think of no better message to send to our young people,” Obama said. “For all the young people in this room and that are watching,...