Guest: Ivan Soltanovsky, Russia's deputy ambassador to NATO

Guest: Michael Grynbaum, The New York Times

Guest: Chrystia Freeland, U.S. Managing Editor for the Financial Times

Guest: Andrea Bernstein, Takeaway Political Director

Guest: Tanya Koropeckyj-Cox, Sociology Professor at the University of Florida in Gainesville. She's been studying women and childlessness for more than a decade.

Guest: Nick Childs, BBC, in London

Guest: Ben Calhoun, Chicago Public Radio, in Chicago

Guest: Mark Bittman, The New York Times

Guest: Pascal Meige-Wagner, from the Eastern European Desk of the International Committee of the Red Cross

Guest: "Bjorn Turoque" (Dan Crane), "Master of Air-Emonies" at this year’s Air Guitar World Championships

Guest: Michael Kazin, professor of history, Georgetown University. As member of the Students for a Democratic Society, he was arrested at the 1968 Democratic National Convention.