60 minutes does a nice presentation on Sal Kahn and Kahn Academy. A nice telling (perhaps retelling if you saw the TED talk).
While criticized you must admire his persistence and commitment. Apply as needed.
60 minutes does a nice presentation on Sal Kahn and Kahn Academy. A nice telling (perhaps retelling if you saw the TED talk).
While criticized you must admire his persistence and commitment. Apply as needed.