NOTE: This program was recorded BEFORE the US strike that killed Iranian General Qassim Soleimani. 

What are the primary foreign policy and national security challenges facing the United

States as President Donald J. Trump enters his fourth year in office under the cloud of

impeachment? On this annual edition of the program, host Carol Castiel talks with Tony

Arend, Professor of Government and Foreign Service at Georgetown University and

Ambassador Mark Lagon, Chief Policy Officer at the Friends of the Global Fight against

AIDS, Tuberculosis and Malaria.