Halliburton: Court Clears Asbestos Deal  HOUSTON (Reuters) - Halliburton Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HAL.N target=/stocks/quickinfo/fullquote"&gt;HAL.N&lt;/A&gt; on Friday said  a federal court had signed an order that would end the  company's asbestos liability later this month, clearing another  hurdle for two of its subsidiaries to emerge from bankruptcy.