In less than three months, the Trump administration has radically reconfigured America’s relationships with both traditional allies and adversaries. So how do you make sense of foreign and economic policy during the first three months of his new administration? Now back at the Kennedy School (she had served as a professor of practice), Ambassador Wendy Sherman is working to assess the motivations behind presidential actions that have changed the course of geopolitics and economics in ways she says could have profound repercussions on everything from global economic stability to the future of democracy to nuclear proliferation. A diplomat’s diplomat and winner of the presidential National Security Medal, Sherman is no stranger to decoding the moves and motivations of enigmatic world leaders and autocrats. During the Clinton administration, she was a counselor to the State Department and coordinated policy for the United States’ negotiations with North Korea and President Kim Jong I...