In one of the most memorable images to emerge from inside the Nairobi mall attacked last weekend by Islamic extremists, a 4-year-old girl is seen running toward a man who is reaching out a hand to pull her to safety. The man was Abdul Haji, a 39-year-old real estate executive who rushed to the mall as the attack got underway. He managed to evacuate scores of people to safety, including that young American girl, Portia Walker, and is being hailed in Kenya as a hero. -snip- Haji says he grew up around guns and lately had been carrying his pistol...