Iron Dome, Africa Mercy, Dame Maggie
February 17, 2013 8:00 PM
Known as "Iron Dome," Israel's new defense system has been called "a game-changer" because of its ability to destroy enemy rockets in the air; Also, the world's largest civilian hospital ship travels the African coast, restoring sight to thousands and bringing smiles to faces once disfigured by tumors; And, every bit as formidable as her character on "Downton Abbey," Dame Maggie Smith gives a rare and "spiky" interview to 60 Minutes.
