South Korean national flags fly near the barbed wire fence decorated with messages wishing for reunification of the two Koreas as tourists look at the north side at the Imjingak Pavilion near the border village of Panmunjom, the demilitarized zone (DMZ), in Paju, South Korea, Saturday, Dec. 18, 2010. South Korea said Saturday it will go ahead with artillery drills on a border island shelled by North Korea last month despite Pyongyang's threat to retaliate again, as Russia and China expressed concerns over tension on the volatile peninsula. (AP Photo/Lee Jin-man)
South Korean scientist Hwang Woo-suk, center, leaves after his trial at the Seoul High Court in Seoul, South Korea, Thursday, Dec. 16, 2010. An appellate court has upheld an earlier fraud conviction of the South Korean scientist disgraced in a cloning scandal that shook the international scientific community. (AP Photo/ Lee Jin-man)
South Koreans wear gas masks during a civil defense drill simulating a North Korean attack near the border city of Paju, South Korea, on Wednesday, Dec. 15, 2010. (AP Photo/Lee Jin-man)
Unidentified relatives of a crew member aboard a South Korean fishing boat that sank in the Antarctic Ocean arrive at the headquarters of Insung Corp., the owner of the ship, in Busan, South Korea, on Monday, Dec. 13, 2020. (AP Photo/Yonhap, Min Young-kyun)
South Korean marines ride on the back of a truck on Yeonpyeong Island, South Korea, on Friday, Dec. 10, 2010. South Korean President Lee Myung-bak is pushing the idea of Korean unification, even as tensions remain high two weeks after the North shelled a South Korean island, killing four and setting the region on edge. (AP Photo/Yonhap, Kim Ju-sung)
AFL-CIO President Richard Trumka, who was at the White House for a meeting with President Obama in October, said the South Korea free-trade deal reached last week does not go far enough to protect American jobs. (Associated Press)
South Korean Marines patrol in the snow on Yeonpyeong Island, South Korea, Wednesday, Dec. 8, 2010. The top U.S. military officer on Wednesday warned North Korea that the U.S. commitment to helping South Korea defend itself is "unquestioned," even as he pressed China to use its influence to rein in its ally Pyongyang. (AP Photo/Yonhap, Kim hyun-tae)
South Korean President Lee Myung-bak (right) talks with Defense Minister Kim Kwan-jin during a Cabinet meeting at the Blue House, the president's official residence, in Seoul on Tuesday, Dec. 7, 2010. Mr. Lee called for five islands near the disputed sea border with North Korea to be turned into "military fortresses." (AP Photo/Yonhap, Jo Bo-hee)
Japanese Foreign Minister Seiji Maehara (left), Secretary of State Hillary Rodham Clinton and South Korean Foreign Minister Kim Sung-hwan observe a moment of silence for the victims of the latest attacks in South Korea by North Korea before the start of their trilateral meeting at the State Department on Monday. (Associated Press)
