<p>Candidates Chris John, David Vitter present differences.</p>
<p>John Hill Posted on December 22, 2003 BATON ROUGE - So far, the U.S. Senate race of 2004 could be shaping up to reflect this past fall's gubernatorial runoff campaign.</p>
<p>The two candidates who are definitely in the battle are a conservative Democrat and an ultra-conservative Republican.</p>