President Barack Obama talks on the phone with President Lee Myung-bak of South Korea in the Treaty Room Office in the White House Residence, November 23, 2010.

President Barack Obama talks on the phone with President Lee Myung-bak of South Korea in the Treaty Room Office in the White House Residence, November 23, 2010. Earlier in the day, North Korea conducted an artillery attack against the South Korean island of Yeonpyeong.

Identifier: P112310PS-1414