Chinese, SKorean presidents due to discuss NKorea

North Korea's nuclear programs were on the agenda Monday for a summit between the Chinese and South Korean presidents amid recent angry rhetoric from Pyongyang. Chinese President Hu Jintao was due to arrive for a two-day state visit to South Korea, flush with his country's success in hosting its first Olympic Games, which concluded Sunday. The two leaders will hold in-depth consultations on "advancing the six-nation talks" aimed at ending North Korea's nuclear programs, according to comments posted on South Korea's presidential Web site.