Quattrone's  Fate Lies in  Firm Hands The former high-flying investment banker is scheduled to be sentenced on Wednesday for obstructing a federal securities investigation and attempted witness-tampering.&lt;br&gt; &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;