keywords: shrine crux jintao sino koizumi
text: Hu tells Japanese leader his shrine visits are  quot;crux quot; of problem &lt;b&gt;...&lt;/b&gt; SANTIAGO : Chinese President Hu Jintao has told Japanese Prime Minister Junichiro Koizumi that his visits to a shrine honouring Japan #39;s war dead including war criminals are the  quot;crux quot; of the problem in Sino-Japanese ties.