Former North Korean defectors burn a North Korean flag during a rally denouncing last Tuesday's bombardment on a South Korean border island, in front of the Defense Ministry in Seoul, South Korea, ... more 
Former North Korean defectors burn a North Korean flag during a rally denouncing last Tuesday's bombardment on a South Korean border island, in front of the Defense Ministry in Seoul, South Korea, Monday, Nov. 29, 2010. South Korea's president on Monday took responsibility for failing to protect his citizens from a deadly North Korean artillery attack last week, vowing tough consequences for any future aggression and expressing outrage over the "ruthlessness of the North Korean regime." less 
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Associated Press | Photo By Ahn Young-joon
Mon, Nov 29, 2010 2:20 AM EST