The move comes as South Korea and the US begin a large-scale joint military exercise.
In South Korea, which she visited Thursday, fears persist that the US will move forward on ties even if the North resists verifying disablement of its weapons.
She'll talk with China and three other nations about climate change, the financial crisis, and more.
Recent moves to possibly test a long-range missile may be aimed at grabbing US attention.
Excessive congressional clapping rivals contrived Soviet outbursts.
A mystery novel offers a rare glimpse into life in North Korea.
Other key foreign-policy moves include his decision to boost aid for fighting AIDS in Africa.