Robert Boyers on “The Tyranny of Virtue: Identity… and the Hunt For Political Heresies.

Vassar College president Elizabeth Bradley on free speech and engaged pluralism.

Justin Driver of Yale Law on constitutional law and the struggle to preserve democracy.

Nicholas Buccola on his book “The Fire is Upon Us,” Baldwin, Buckley, and race in America

Writer Anastasia Edel on her essay “The Tired and Poor Who Make America Great,” and Russia

Jews Against White Nationalism leader Sophie Ellman-Golan on mistreatment of immigrants.

Techno-political thriller writer and humanitarian aid worker Malka Older on the Cyber Age.

Patriotic Millionaires’ founding member Lawrence Benenson on solutions to inequity.

ABC News’ Dan Abrams on his new book “Theodore Roosevelt for the Defense” and politics now

Julie Salamon on her new book “An Innocent Bystander” and the redefinition of terrorism.

Quincy Institute cofounders Trita Parsi and Stephen Wertheim on stopping endless war.

Netflix’s “The Great Hack” director Karim Amer on how stolen personal data is abused.

Center for Public Integrity CEO Susan Smith Richardson on news for 2020 and beyond.

University of Missouri’s Frank Bowman on his new book “High Crimes and Misdemeanors.”

Republican strategist Ed Lopez on the federalist argument for a National Popular Vote.