North Korea

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North Korean defector Park Sang-hak hurls anti-North Korea leaflets as police block his planned rally on a road in Paju, near the Demilitarized Zone, in South Korea on Monday, Oct. 22, 2012. South Korea banned activists from launching the propaganda leaflets to North Korea after the North threatened to attack. (AP Photo/Ahn Young-joon)

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In this Sept. 8, 2012 photo, a dolphin leaps from a tank during a show at a newly-built amusement park in Pyongyang, North Korea. (AP Photo/David Guttenfelder)

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A North Korean vehicle carrying what appears to be a new missile passes by during a mass military parade in Kim Il-sung Square in Pyongyang, North Korea, on Sunday, April 15, 2012, to celebrate the 100th birthday anniversary of Kim, the late North Korean founder. (AP Photo/Vincent Yu, File)

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A satellite image taken on Wednesday Aug. 29, 2012, by DigitalGlobe and provided on Monday, Sept. 24, 2012, by 38 North, the website of the U.S.-Korea Institute at the Johns Hopkins School of Advanced International Studies, shows what an analyst says is construction of a new rocket launch pad at the Tonghae complex near Musudan-ri, North Korea. (AP Photo/DigitalGlobe)

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In this image taken from television, North Korean leader Kim Jong-un holds up his credential at the second meeting of the year of the Supreme People's Assembly in Pyongyang, North Korea, on Tuesday, Sept. 25, 2012. The parliament passed a law that adds one year of compulsory education for children in the socialist nation, the first publicly-announced policy change under Mr. Kim. (AP Photo/KRT via AP video)

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North Korean farmer O Yong-ae is interviewed at her home at the Migok Cooperative Farm in Sariwon, in North Korea's Hwanghae province, on Sunday, Sept. 23, 2012. (AP Photo/Vincent Yu)

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Sang Kwon Park, president of Park Motor Co. and the man in charge of the Moon family's businesses in North Korea, talks with The Washington Times Thursday, Sept. 13, 2012 at the Cheong Shim World Peace Center about the future and outreach towards North Korea. North Korean leader Kim Jung-Un sent flowers following the death of the Rev. Sun Myung Moon. (Barbara L. Salisbury/The Washington Times)

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** FILE ** North Koreans collect emergency goods, including kitchen sets and blankets, distributed by North Korean Red Cross officials in the flood-stricken city of Anju in the South Phyongan province of North Korea on Saturday, Aug. 4, 2012. (AP Photo/Kim Kwang Hyon)

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Construction is under way along railway lines linking tracks in Rason in far northeastern North Korea with Russian rail lines. The port of Rajin and the neighboring city of Sonbong together compose the Rason special economic zone being developed with help from foreign investment, particularly from China. (Associated Press)

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Trucks are exhibited Monday at the Rason International Trade Fair in North Korea. The Stalinist country is staging its second such trade fair in the special economic zone of Rason this week just days after a top North Korean official went to China to drum up support for the region. (Associated Press)

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Construction is under way on Monday, Aug. 20, 2012, along railroad lines linking tracks in Rason in far northeastern North Korea with Russian rail lines. (AP Photo/Kim Kwang Hyon)