Coming up on today's show:
In a restructuring of the National Security Council, Director of National Intelligence and the Chairman of the Joint Chiefs of Staff will face diminished roles while Trump’s Chief Strategist Stephen Bannon will join the national security group. Matthew Waxman, co-chair of the Cybersecurity Center at the Columbia Data Science Institute explains what this means for security.
Timothy Tyson chronicles the life and death of Emmett Till, a 14-year-old boy from Chicago, whose murder launched the civil rights movement. The new book, "The Blood of Emmett Till," comes out tomorrow.
Sign up for The Top of the World, delivered to your inbox every weekday morning.