Fringe Noir By Sarah Stegall Copyright © 2010 by Sarah Stegall Fringe Tuesdays on Fox at 9/8 E/C “Brown Betty” Written by Jeff Pinkner & J.H. Wyman & Akiva Goldsman Directed by Seth Mann “Must be nice to know who you are, to know your place in the world… I thought I did. I thought I knew who I was.” —Peter Bishop Only Walter Bishop could tell this story. Only a child could understand it. In one of the oddest departures from convention yet, this episode of Fringe enters a truly alternate universe, one of Walter’s contriving. Having just ingested a cannabis…