ANCHORAGE — At a folding table in the corner of Title Wave Books Saturday, Kaylene Johnson took a seat behind a stack of her Sarah Palin biographies and waited. "Sarah: How a Hockey Mom Turned Alaska's Political Establishment Upside Down" is Johnson's third book. The others are Alaskana -- a coffee table book about the Alaska Railroad and a history of the Kenai Peninsula. They sold fewer than 10,000 copies and expectations for "Sarah" were equally modest. The initial printing was 8,000. But that was in April. A week after Palin's big announcement in August, 80,000 new copies of "Sarah"...