The Trump Subpoena

A few days ago, when the House committee investigating Jan. 6 issued a subpoena to former President Donald J. Trump, it raised a legal question: Can Congress compel a former president to testify? The committee’s move, while dramatic, is not without precedent. What do presidential subpoenas of the past teach us about the moment we’re in, and about what the former president might do next? Guest: Luke Broadwater, a congressional reporter for The New York Times.