Berkshire Hathaway Profit Falls  NEW YORK (Reuters) - Berkshire Hathaway Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=BRKa.N target=/stocks/quickinfo/fullquote"&gt;BRKa.N&lt;/A&gt;, the  wide-ranging conglomerate run by billionaire investor Warren  Buffett, posted sharply lower quarterly profit on Friday as its  reinsurance operations paid out large claims from Florida's  hurricanes in August and September.