(Thenewstribune) - Pop the corks: After years of talk and delay, a historic trade pact between the United States and South Korea kicks in Thursday, and officials predict it will increase wine exports from Washington state by 40 percent to 50 percent in the first year alone. The reason: The Korean cuisine relies heavily on beef, and marketers expect Koreans will want a whole lot more of the state’s red wines now that a 15 percent tariff is getting scrapped.