For a little more on where John Carroll is coming from as the author of the Existential Jesus;
and for a link to a review (not a deep one — one of those by a regular newspaper reviewer) of Carroll’s Existential Jesus by Andrew Rutherford —
http://www.theaustralian.news.com.au/story/0,20867,21275645-25132,00.html (Link is preserved on Internet Archive’s WayBack Machine)