Karen Travers, senior member of the ABC News White House team, having covered the Bush, Obama and Trump Administrations and now the Biden Administration. She serves on the board of the White House Correspondents’ Association.

George Will, Washington Post columnist. He covers politics and domestic and foreign affairs.

Sarah Stewart Johnson, Associate Professor at Georgetown University. Her lab focuses on detecting biosignatures, or traces of life, and is involved with analyzing data from current spacecraft and devising new techniques for future missions. She has worked on NASA’s Spirit, Opportunity, and Curiosity Rovers. She is also a visiting scientist with the Planetary Environments Lab at NASA’s Goddard Space Flight Center.

Edward Watts, Chair and Professor of History at the University of California, San Diego.

Brenda Wineapple, author of The Impeachers: The Trial of Andrew Johnson and the Dream of a Just Nation.

Elizabeth Varon, American historian and Langbourne M. Williams Professor of American History at the University of Virginia.

Howard Means, author of The Avenger Takes His Place: Andrew Johnson and the 45 Days That Changed the Nation.

John Negroponte, American Diplomat. Negroponte was the first Director of National Intelligence, Deputy Secretary of State, Deputy National Security Advisor, and Ambassador to the UN, Iraq, and several other countries.

Sermon for the Fifth Sunday after Pentecost by the Rev. William Morris.

Sermon for the Fourth Sunday after Pentecost by the Rev. Robert Fisher.