Ford to Expand Offering of Sirius Radio  NEW YORK (Reuters) - Ford Motor Co. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=F.N target=/stocks/quickinfo/fullquote"&gt;F.N&lt;/A&gt; said on Monday it  would offer Sirius satellite radio in more vehicles, as Sirius  fights to catch up with industry leader XM Satellite Radio  Holdings Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=XMSR.O target=/stocks/quickinfo/fullquote"&gt;XMSR.O&lt;/A&gt;