The 50th anniversary of the Watergate burglary in 1972 this Friday comes as public hearings are underway by the House committee investigating the January 6 Capitol insurrection. We speak with Garrett Graff, author of “Watergate: A New History,” about critical lessons and historical parallels between the defining controversies of the Nixon and Trump presidencies. Rather than isolated crimes, Watergate and January 6 should be seen as culminating events of U.S. presidencies that share a “dark, criminal, conspiratorial mindset that drives and links together so many of their scandals,” says Graff.