This article is pretty balanced in explaining the Texas School Board revisions to the social science curriculum. Two of the people who have made recommendations are David Barton and Peter Marshall. Here is what a Christian history professor says about them:
"I'm an evangelical Christian, and I think David Barton and Peter Marshall are completely out to lunch," said John Fea, a history professor at Messiah College in Pennsylvania, a Christian institution. "They are not experts on social studies and history. Neither of them are trained in history. They are preachers who use the past and history as a means of promoting a political agenda in the present."