Peter from Boston By Sarah Stegall Copyright © 2010 by Sarah Stegall Fringe Fox, Thursdays, 9:00 PM “Northwest Passage” Written by Ashley Edward Miller & Zack Stentz & Nora Zuckerman & Lilla Zuckerman Directed by Joe Chapelle My area of expertise is weird. —Peter Bishop At last, we get an episode showcasing Peter Bishop. From being completely invisible in the episode named after him, he goes to center stage. Joshua Jackson delivers a solid, convincing performance that teaches us more about Peter than we learned in the first half of this season. We start with a mild flirtation between Peter—now…