Christian pseudohistorian David Barton used to be a math teacher. But at some point, he transitioned into teaching history, another subject he knew next to nothing about. Today, he goes around miseducating everyone he comes into contact with.
MORE: http://www.patheos.com/blogs/friendlyatheist/2014/02/01/david-barton-who-makes-a-living-telling-historical-lies-is-now-spreading-statistical-ones/
