A new investigation by The Intercept reveals the National Security Agency and its British counterpart, GCHQ, hacked into the internal computer network of the largest manufacturer of SIM cards in the world, stealing encryption keys used to protect the privacy of cellphone communications. The secret operation targeted the Dutch company Gemalto, whose clients include AT&T, T-Mobile, Verizon, Sprint and some 450 wireless network providers around the world. We will have more on the story later in the broadcast.