UNIVERSITY OF VIRGINIA SCHOOL OF LAW — As part of the investigation of the Jan. 6 attack on the U.S. Capitol, Congress has issued a slew of subpoenas to compel executive branch officials to testify, often setting off legal skirmishes. But courts are finding ways to avoid making decisions on those kinds of separation-of-powers conflicts, which is problematic, says Professor Payvand Ahdout on the latest episode of “Common Law,” a podcast of the University of Virginia School of Law.