Asian sailors came to the west coast of America in 1587. Within a century they were settled in colonies from Mexico to Peru Cape Sebastian in Oregon perches above two forested declivities along a rocky patch of the state’s southern coast. Travel there today, and you are likely to miss a roadside marker that reads:Spanish navigators were the first to explore the North American Pacific Coast. Beginning fifty years after Columbus discovered the Western continents, Sebastian Vizciano [sic] saw this cape in 1603 and named it after the patron saint of the day of his discovery. Other navigators, Spanish, British,...