In early November 2010, Russia's Dmitry Medvedev made an official visit to South Korea.
Russian and South Korea signed 11 documents, mostly of an economic nature.
South Korea gets Russian oil and gas. (Russia-South Korea relationship a priority in Asia-Pacific - Medvedev)
In early November 2010, Obama travelled to Asia.
"In Asia, Obama's glow dims," reported the New York Times.
Obama "limped" through the G20 summit in Seoul, reported the Wall Street Journal.
Obama failed to conclude a free trade agreement with South Korea. (Obama felt SKorea trade deal 'fell short')
South Korea has created certain barriers to US cars and beef.
South Korea exports 10 times as many vehicles to America as it imports from US carmakers.
On 23 November 2010, it was reported that 200 artillery shells were fired onto one of South Korea's border islands, reportedly killing one marine.
In March 2010, a South Korean warship sank near the border with the loss of 46 lives.
International investigators say a North Korean torpedo sank the ship, although North Korea has denied any role in the incident.
Who is trying to hit South Korea?
Park Eun Kyung
The US withdrew tactical nuclear weapons from South Korea in 1991.
On 23 November 2010, we learn that South Korea's defence minister is now saying that South Korea might once again have US nuclear weapons.
Kim Tae-young told a parliamentary committee that South Korea would consider asking the US to redeploy tactical nuclear weapons. (FT.com / Asia-Pacific - Seoul raises spectre of return of US ...)
Is Obama to blame for the Korean crisis?
Ron Paul has speculated that the US military-industrial complex was, " sort of orchestrating this in order to have the military-industrial complex benefit and the dollar temporarily benefit." (Ron Paul: Korea Conflict May Be Orchestrated Crisis To Boost Dollar )