Brazil Investment Held Down by Red Tape &lt;p&gt;&lt;/p&gt;&lt;p&gt; By Carlos A. DeJuana&lt;/p&gt;&lt;p&gt; SAO PAULO, Brazil (Reuters) - If Ken Marshall were back inhis native Australia, he reckons he would need only half thestaff he has in Brazil to run his small import-export business.&lt;/p&gt;