Misquoting Jesus. I think the argument is brilliant and undeniable. Dr Geisler even gave Mariano's blog credit for the argument. I know I already gushed over the blog post when I originally saw it but it bears repeating. You can see Dr. Geisler's whole lecture at the following link.
What had happen' was.....: Bart Ehrman Refuted by Dr Norman Geisler - YouTube
I've got to point out that during the whole Ergun Caner scandal last year, Geisler and others denied that bloggers contributed worthwhile information, but here is Geisler quoting a blog and effectively using Mariano's work. Indeed perfect. You can read Mariano's article that Dr Geisler used right here:
Bart Ehrman’s Millions and Millions of Variants, part 1 of 2
Bart Ehrman’s Millions and Millions of Variants, part 2 of 2