. >> rose: we ntinue with chef jacques pepin who talks about cooking and teaching cooking. >> you know, when i did that book, the conundrum for me was do i leave those recipe it is way i did them 30 years ago, 35 years ago to show a moment in time or then do i make it so that it's simpler, more usable? and i chose the second option which actually then was more work than doing a book from the beginning. >> rose: the broadway play "the mountaintop" and the chef jacques pepin, nex. captning sponsored by rose communications from our studios in new york city, this is charlie rose. captioning sponsored by >> rose: on april 3, 1968, dr. martin luther king, jr. delivered his icon mountaintop speech at mason temple in memphis, tennessee. dr. king said "i've been to the mountaintop and i've looked over and i've and seen the promised land. i may not get there with you, but i want you to know that we as a people will get to the promised land. the next day, martin luther king, jr. was assassinated on the balcony of his motel. a new play by katori hall reimagine it is events leading up to his death.