antietam. that would be our cover story this morning reported by serena altschul. reporter: 150 years ago tomorrow, september 17, 1862, was the bloodiest day of battle in american history. you had 4,000 that were killed. 19,000 hurt. no one had ever seen a day like this before or since. reporter: a day and a battle that would change us forever. the country we are was born the day all those men died on these fields. reporter: later on sunday morning, we ll take you back to anitetam. osgood: first in brooklyn, now in l.a. vin scully has been the broadcasting main stay for fans of the dodgers. even after all his years of doing play by play he s still very much at the top of his game. lee cowan will have our scouting report. announcer: gone! reporter: there are few voices better known in the world of baseball. and none that have lasted quite as long as the legendary vin scully. to be doing what i really love and to be allowed to have done it for so long, i had bet