As the scorching summer heat fades and a cool breeze begins to blow, anglers in Korea start getting busy. For those who love metal jigging, a 3-to-4-hour drive from the Seoul metropolitan area to Gyeongju is a small price to pay. The destination? A chance to encounter the "Dae-sam-chi" (Giant Spanish Mackerel)—a species that satisfies everything from a thrilling fight and a grand visual to a del..