Dr. Ben Witherington is professor of New testament studies at Asbury Theological Seminary. He is also a world-recognized biblical scholar. He writes,

Having now scrutinized the book The Jesus Family Tomb book which accompanies the show there are further things that need to be stressed that are wrong with this whole theory and its varied speculations. I will list them seriatim as bullet points.

And he does. I urge interested parties to read his work; he is far more erudite than I on the technical matters related to first-century Judaism and Christianity and has a extensive Rolodex of other experts to call upon and cite as well. RTWT!

See also his current op-ed piece at OpinionJournal.com