  Visit triggers speculation that ailing dictator may be
preparing to hand over power to his youngest son, Kim Jong-un
China North Korea Kim visit The North Korean leader, Kim Jong-il
(left), talks to the Chinese president, Hu Jintao, during a
visit to China in May. Photograph: KCNA/EPA  North Korea's
leader, Kim Jong-il, prompted speculation that he will soon
anoint a successor by making an unexpected trip today to the
country's main ally, China.  The ailing dictator, who reportedly
suffered a stroke two years ago, crossed the border in his
armoured train and visited the Chinese school where his father,
the former president Kim Il-sung, began taking an interest in
communism.  The second trip to China in less than three months
is unusual for Kim, who rarely leaves his home. Coming before a
rare meeting of the North Korean Workers' party in Pyongyang,
analysts said the visit might be aimed at laying the groundwork
for a transfer of power to his third son, Kim Jong-un.  After
recent floods in North Korea, Kim m