Norman Ah-Sing had no patience for a frivolous lawsuit against him. — In Parts 1 and 2 of this series, Norman Ah-Sing, a Chinese merchant in San Francisco during the gold rush, responded angrily, forcefully, and eloquently to the governor of California, who had advocated a ban on Chinese immigration. Norman Ah-Sing, described as a “sallow, dried, cadaverous, but active and keen…