The site of Jesus' baptism?

This weekend the Seedbed blog posted a video of Ben Witherington III discussing a recent archaeological discovery that may be related to the baptism of Jesus/John's baptisms. Now, there are several places already marked as the location. In fact, one is really fancy and boasts of a recent Papal visit. In choosing the site on the Jordanian side of the river the Pope's actions were taken as "picking" this site over against the one on the Israeli side of the river just opposite of this one in Jordan (see "Pope picks one of dialing baptism sites in visit to Holy Land" via the Washington Post). Since Witherington's comments are vague, mentioning some scholarly articles with naming them, it is hard to know if he is referring to this place (see picture below) or one like it that has already been declared the site or if he is speaking about a whole new site altogether. I left a comment asking for more info about these articles.

On the one hand, as these other sites show, this could be just another claim, but Witherington says there is evidence that this place in the wilderness was important to Christians who came there to get baptized and notes that if this has nothing to do with where Jesus baptized John it sure is strange. As far as I can tell the other sites have been chosen more or less on the basis of an attempt to read the Gospels and locate places like "Bethany-beyond-the-Jordan" (Bible History Daily's free digital booklet Exploring Jordan talks a bit about this for those interested).

If there is anyone out there with more info on Witherington's claims, and who can direct me to the articles he mentioned, please comment letting me know. It would be great if I could read more on this! 

The excavated remains of Bethabara, in modern Jordan, where John is believed to have conducted his ministry (source and caption via Wikimedia Commons).

The excavated remains of Bethabara, in modern Jordan, where John is believed to have conducted his ministry (source and caption via Wikimedia Commons).