This episode's headline: Campaign Day; Military Challenge; Fact Checking; Converation. ANCHOR: JIM LEHRER; GUESTS: JOHN BURNS; BRIG. GEN. DAVID MCGINNIS; GEN. P.X. KELLEY; JAKE TAPPER; BROOKS JACKSON; MICHAEL GETTLER; TED KOOSER; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN