SEOUL, South Korea -- North Korea's new leader hosted a dinner in Pyongyang for senior political officials visiting from China, state media said Friday, in what marked Kim Jong Un's diplomatic debut and a sign that he is turning his attention to foreign affairs.Kim held talks with a Chinese delegation led by Wang Jiarui, head of the Communist Party's international affairs office, and then invited the group to a dinner attended by North Korea's political elite, according to the state-run Korean Central News Agency.Read More... More on North Korea