HUNTINGTON BEACH, Calif. - It has been eight years since he was turned out of office by a young, liberal upstart and his comeback bid was soundly rejected by voters two years later. Now the firebrand conservative ex-congressman known as "B-1 Bob" Dornan is asking voters for one more chance. Only this time, Dornan, famous in the 1970s, '80s and '90s for his slash-and-burn tactics targeting liberals, is trying to unseat a fellow Republican whose record is equally conservative. He all but retired from politics after losing back-to-back congressional campaigns to Rep. Loretta Sanchez, D-Santa Ana, in 1996 and 1998....