bankable script writer in america, has an oscar and emmys, with credits like the "social network," "moneyballis career began on broadway 30 years ago with "a few good men," and he was approved by harper lee before her death three years ago, to do the broadway adaptation. >> aaron sorkin: i remember what i was thinking, which was simultaneously, "this is going to be incredibly exciting. i-- i get to do a play again. i get to be involved with this material." and, "i'm never going to make it out of this alive." >> kroft: really? >> sorkin: yeah. yeah, you know, the book is revered, and what could i possibly do but screw it up? >> kroft: have you screwed it up? >> sorkin: i don't think i have, i-- ( laughs ) i think i did get out of it alive. >> kroft: if that turns out to be true, it will not have been easy. it's impossible to turn a book into a movie or a play without altering the material, and making changes to a masterpiece is always risky business. >> sorkin: there is no event in the play that doesn't occur in the book. i-- i-- i haven't added new things, but those events are simply-- we're