Obama meets with S Korean president for summit

US President Barack Obama (L) and South Korean President Lee Myung-Bak take part in a welcoming ceremony at the Blue House in Seoul, November 19, 2009.[Agencies]

• "It's a difficult commitment"
• China-US Relations Conference opens in Beijing
• Greetings from US Ambassador to China

• Profile: US President Barack Obama
• Premier Wen proposes principles on Sino-US ties
• Premier Wen meets with US Secretary of State Powell
• Hu Jintao Meets Bush, Cheney
• China becomes biggest US treasuries holder

• Overseas reportings on Obama's visit to China
• Hu visits Malaysia, Singapore, attends APEC forum
• Hu's Visit -- New York, Pittsburgh
• China-US Economic and Strategic Dialogue
• US Officials and Their China Connections