From the violence in the Middle East to the dysfunction in Congress, the world feels increasingly untethered. Tom Nichols spent his early career analyzing threats to American security and now is unapologetic in his warnings about the threats to American democracy.

Nichols is an author and a staff writer for The Atlantic. His expertise encompasses a broad range of topics, including nuclear weapons, international security, Russia, and the overarching challenges to democracy globally and in the United States. Nichols has a background as a legislative aide in both the Massachusetts House of Representatives and the U.S. Senate. He taught at the U.S. Naval War College for 25 years and now holds the position of professor emeritus. Among his published works are “The Death of Expertise” and “Our Own Worst Enemy: The Assault from Within on Modern Democracy.”