Howard Stern to Move to Satellite Radio  NEW YORK (Reuters) - Howard Stern, one of the most popular  U.S. radio personalities, on Wednesday said he will broadcast  his show on Sirius Satellite Radio Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=SIRI.O target=/stocks/quickinfo/fullquote"&gt;SIRI.O&lt;/A&gt; beginning in  2006, after being dropped earlier this year from several  stations that objected to his often off-color humor.