H R Block Faces Fraud Charge Over Enron  NEW YORK (Reuters) - Financial services regulator NASD said  on Monday it has charged H R Block Financial Advisors Inc.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HRB.N target=/stocks/quickinfo/fullquote"&gt;HRB.N&lt;/A&gt; with fraud related to the sale of Enron Corp.  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ENRNQ.PK target=/stocks/quickinfo/fullquote"&gt;ENRNQ.PK&lt;/A&gt; bonds immediately preceding Enron's bankruptcy in  2001.