Edison Int'l Raises '04 Earnings Forecast  NEW YORK (Reuters) - Edison International &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=EIX.N target=/stocks/quickinfo/fullquote"&gt;EIX.N&lt;/A&gt; on  Wednesday raised its earnings forecast for 2004, citing  improved performance at its utility unit Southern California  Edison.