Halliburton May Not Rebid for Iraq Work  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; may decide not  to submit bids for the logistics contracts it holds in Iraq if  the U.S. military divides up the work too deeply, Chief  Executive Officer Dave Lesar told an analysts' conference in  New York on Tuesday.