Saying goodbye to those we lost in 2017

They made us laugh. Or think. Or wonder. Most made our world a better place; a few did just the opposite. Still, for better or for worse they touched our lives, and so we say ... HAIL AND FAREWELL, presented by Jane Pauley: We begin with Mary Tyler Moore -- she first turned the world on with her smile, and her style (how 'bout those capri pants!) on "The Dick Van Dyke Show."But we really came to love her as career woman Mary Richards -- smart, funny, and vulnerable, too:"You have no idea how exp