Small Firms  Vie for Slice Of Security Pie Small technology businesses in the Washington area have learned that breaking into the homeland security business is a lot harder than they'd expected. Just getting a call returned or a proposal considered is a victory. &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;