FCC Majority OKs Cingular-AT T Wireless  WASHINGTON (Reuters) - A majority of the U.S. Federal  Communications Commission has voted to conditionally approve  Cingular Wireless' proposed acquisition of AT T Wireless  Services Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=AWE.N target=/stocks/quickinfo/fullquote"&gt;AWE.N&lt;/A&gt;, a source familiar with the matter said  on Wednesday.