Intel Says Shifting Focus of Itanium to Higher-End  SAN FRANCISCO (Reuters) - An effort by Intel Corp. &lt;A HREF="http://www.reuters.co.uk/financeQuoteLookup.jhtml?ticker=INTC.O qtype=sym infotype=info qcat=news"&gt;INTC.O&lt;/A&gt;  to sell its Itanium 2 chip into high-volume, lower-end computer  servers has not worked, the president of the world's largest  chip maker said in an interview published on Thursday.