rome pope francis make one emotional anti-war address thursday say visit u.s. military cemetery world seem head war perhaps big francis say mass several thousand people sicily-rome american cemetery town nettuno south italian capital day roman catholics commemorate dead burial grind final rest place 7,860 american soldier die liberation southern italy rome 1943 1944. walk slowly alone amid row low white headstones shape cross star david gently rest white rise dozen stop pray silently say mass please lord stop war useless massacre say speak hush tone improvise homily francis say remember many young people die world war two even important today world war prepare go even forcefully war elaborate appear refer possibility nuclear war tensions unite state north korea increase recent months francis warn nuclear conflict would destroy good part humanity last april say third country try mediate dispute pyongyang washington cool situation become hot u.s. president donald trump say north korea meet fire fury like world never see threaten unite state visit south korea part trip asia start friday trump asia pope host international seminar vatican urge ban nuclear weapons cemetery mass attend u.s. ambassador italy lewis eisenberg act u.s. ambassador vatican louis bono today day hope also day tear pope say humanity must forget tear mother wive lose husband sons past war humanity learn lesson seem want learn say ask prayers victims today conflict especially children way back vatican francis stop pray ardeatine cave march 1944 occupy nazis kill 335 italian men boys reprisal kill 33 german policemen partisans shoot back neck germans blow cave vain attempt try hide massacre seventy-five victims jews rome chief rabbi riccardo di segni read prayer walk past tombs still dark cave pope write visitors book fruit war hate death vendetta forgive us lord version story correct make clear visit cemetery massacre site separate events move original paragraph bottom story pope u.s. military cemetery make emotional anti-war address