Hey, if you really want to get inside the minds of famous TV writers like Norman Lear and Carl Reiner, get this great new book. It's called

Sitcom Writers Talk Shop: Behind the Scenes with Carl Reiner,
Norman Lear, and Other Geniuses of TV Comedy

Publisher: Rowman & Littlefield
Forewords by Ed Asner and Carol Kane.
Endorsed by Jay Leno, Paula Poundstone, Richard Lewis, Fred Willard,
Valerie Harper, Mike Farrell, and Georgia Engel.

Here's the link to it on Amazon: https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=Sitcom+Writers+Talk+Shop%3A+Behind+the+Scenes+with+Carl+Reiner%2C+Norman+Lear%2C+and+Other+Geniuses+of+TV+Comedy

I've read it and there's a lot of great stuff in it. I'll use this chance to plug a book I wrote about sitcom writers that is also available on Amazon. Check out Funny You Should Ask.
https://www.amazon.com/Funny-You-Should-Ask-Storytellers/dp/0786471484/ref=sr_1_2?ie=UTF8&qid=1541605882&sr=8-2&keywords=funny+you+should+ask