The only places on the net that question Barton are all athiest or seperation of church and state sites. And even they do not claim that he has made any retractions.
He's just as agenda driven as the anti-religion crowd.
Of course he is. Did you even see where this article came from? The Christian Broadcasting Network News.
From his own website:
http://www.wallbuilders.com/resources/search/detail.php?ResourceID=20
The only reason that page exists is because he was publishing those quotes as accurate. If he hadn't been questioned so vociferously, he wouldn't have needed to own up to poor scholarship.