Russians refighting the battle for Stalingrad We know what city we were defending and it wasn't Volgograd, survivors say By MARK MACKINNON MOSCOW -- Valentin Spiridonov was 21 years old when he arrived as an infantryman on the front lines of the 20th century's bloodiest battle. The battle for Stalingrad was a fight like none he or anyone else had ever seen. More than two million Soviet and German soldiers died in house-to-house warfare that engulfed every building and lasted 200 days and nights. Many froze to death as temperatures hit -40 as the battle stretched through the winter of...