The NCAA issued yet another response in its convoluted back-and-forth with the University of North Carolina over the institution’s response to UNC’s sham Afro-American Studies department, which funneled athletes through paper classes. The latest entry in the saga comes from Sept. 19 letter, made public today, sent to UNC by the NCAA’s director of enforcement. This letter was a response to UNC’s claim that the NCAA couldn’t crack down on the school for teaching sham classes because the issue concerns the academic side of the university and not athletics. In addition to the NCAA’s response, UNC also released a recent batch of correspondence between the university and NCAA, all of which can be found here on UNC’s website. In its official response, the NCAA made plain that…