A distraught mother as told how she pleaded with young robbers to spare her toddler's life before they shot him dead as he slept in his stroller. Sherry West was pushing her 13-month-old son Antonio yards from their home in Brunswick, Georgia, early yesterday morning when she was approached by two African-American boys. She told how one of them, who looked about 15, demanded money from her and threatened to kill her if she didn't give him any. She told him she didn't have any. 'He said: "Well, I'm going to kill your baby", and I said "Please don't kill...