SAN FRANCISCO -- Hall of Fame football coach Bill Walsh has leukemia, according to two reports Friday. The 74-year-old coach, who led the San Francisco 49ers to three Super Bowl victories and revolutionized the sport with his West Coast offense, told The Press Democrat of Santa Rosa, Calif., and the Sports Xchange Web site that he has been battling the cancer for several years. Walsh said he feels much better after a series of transfusions in the past month, and he intends to resume a more active schedule. "I'm positive, but not evangelistic," he said. "I'm pragmatically doing everything my...