Sal Khan responds to critic - The Answer Sheet - The Washington Post

Following Karim Kai Ani's post in The Answer Sheet (, Sal Khan replies with a post of his own. As he's done before, he stresses how Khan Academy is not a cure-all and he appreciates feedback. Then he claims that "Karim's corrections are very incorrect" and links to a rebuttal video ( that responds to Karim's argument that he's been incorrect in the way he teaches slope.