Nortel to Cut 3,500 Jobs to Boost Profit &lt;p&gt;&lt;/p&gt;&lt;p&gt; OTTAWA (Reuters) - Nortel Networks Corp. &lt;NT.TO&gt; &lt;NT.TO&gt;posted long-awaited preliminary results for the first half of2004 on Thursday, estimating first and second quarter earningsbetween nil and 1 cent per share.&lt;/p&gt;