In his other life, Douglas Cogan, 59, is a San Bernardino County commercial real estate broker. But for years, the conservative Republican has spent thousands of hours painstakingly researching what he calls "the greatest campaign finance scandal in American history" by a woman he calls one of the most dangerous political figures the country has ever seen - Hillary Rodham Clinton. In her other life, Zehra Ahsan, 26, is a law student and an intern in the San Francisco district attorney's office. But since earlier this year, she has spent upward of 100 hours a week, often beginning at dawn,...