On this "Face the Nation with Margaret Brennan" broadcast, moderated by Ed O'Keefe:  Retired Gen. Frank McKenzie , former commander of U.S. Central Command Democratic Gov. Wes Moore of Maryland Archbishop Timothy Broglio , who heads the Catholic Archdiocese for the Military Services, USA A panel with Amy Walter , publisher and editor-in-chief of the Cook Political Report; David Sanger , a White House and national security correspondent at The New York Times; and Jeff Mason , a White House