HIROSHIMA--Hiroshima filmmaker Masaaki Tanabe considers himself to be the" caretaker of the Atomic Bomb Dome." The 83-year-old man was born and raised next door to this building that was destroyed by the world's first-ever nuclear attack, of which the skeletal dome has become a symbol.... A Mainichi Shimbun reporter joined Tanabe to observe today's A-Bomb Dome and to reconfirm what it symbolizes.... A map of present-day Hiroshima shows filmmaker Masaaki Tanabe's home and military ground before