On the eve of the inauguration, Tom Ashbrook, host of WBUR’s On Point, moderated a discussion on opportunities and challenges for the Trump administration with Brian McGrory, editor of The Boston Globe; Heather Cox Richardson, historian at Boston College and author of To Make Men Free: A History of the Republican Party; and Ron Suskind, Pulitzer Prize-winning journalist and director of the Investigative Journalism Project at Harvard Law School.