Leighton is selling 3 CD's of them on Amazon: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=%22The+Feynman+Tapes%22 http://www.a

Leighton is selling 3 CD's of them on Amazon: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=%22The+Feynman+Tapes%22 http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dap...