Calif. Official Backs Anthem-WellPoint  LOS ANGELES/PHILADELPHIA (Reuters) - California's insurance  commissioner on Tuesday ended his opposition to Anthem Inc.'s  &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=ATH.N target=/stocks/quickinfo/fullquote"&gt;ATH.N&lt;/A&gt; proposed \$16.5 billion acquisition of WellPoint Health  Networks Inc. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=WLP.N target=/stocks/quickinfo/fullquote"&gt;WLP.N&lt;/A&gt; after Anthem agreed to hike its funding  of state health projects.