U.S. Department of State

New York Times Magazine writer Mattathias Schwartz says that when Trump's tweets take our allies by surprise, it's the secretary of state's job to "calm people down."

New York Times reporter David Sanger talks about North Korea's nuclear program and warns that the regime, which has been "fodder for late night comedians for many many years," is no joke.

New Yorker writer Steve Coll says that though Tillerson has conducted billion-dollar international deals as an oil executive, he has no government experience

Clinton's new memoir, Hard Choices, outlines her four years as secretary of state under President Obama. She talks about her vote for the Iraq War, women's rights and political "gamers."

Anne-Marie Slaughter left her position as the State Department's director of policy planning to spend more time with her children. Slaughter, now a Princeton professor, details what needs to change both in workplaces and in society to create equal opportunities for all working women.

Assistant Secretary of State for Political-Military Affairs, Thomas E. McNamara. He will explain why the U.S. has chosen not to go along with the ban on anti-personnel land mines, and what measures they are taking to control their use.

Former Secretary of State James Baker talks about his role during the Bush Administration. His new autobiography is The Politics of Diplomacy: Revolution, War & Peace, 1989-1992.It was co-written with Thomas M. DeFrank and published by G.P. Putnam's Sons 1995. As the 61st Secretary of State, James Baker oversaw U.S. relations during many historic geo-political changes. Among those include The Persian Gulf War, Tiananmen Square, and The fall of the Berlin Wall.

General Alexander Haig came to national prominence during the Nixon administration, where he served in several roles including as Deputy Assistant for National Security Affairs and Chief of Staff. He continued working for the Ford administration, leading to his appointment as Supreme Allied Commander of NATO. Haig served 18 months as the Secretary of State for President Ronald Reagan. He often clashed with the president and his staff, and resigned in 1982. His new memoir: Caveat: realism, Reaganism, and Foreign Policy," details his time in the administration.