Video PlayerClose
Mary Gallagher, a professor of political science at the University of Michigan, speaks during an interview with Xinhua at her office in Ann Arbor, Michigan, the United States, Nov. 13, 2019. (Xinhua/Wang Ping)
Mary Gallagher, a professor of political science at the University of Michigan, speaks during an interview with Xinhua at her office in Ann Arbor, Michigan, the United States, Nov. 13, 2019. (Xinhua/Wang Ping)