The following post was originally published on my old blog on March 3, 2009. Just for the frivolous, hypothetical fun of it all, let’s theorize what would happen if the gun-wielding, Intersect-protecting Sarah Walker from Chuck swapped places with the upstart-starting, family-tending Sarah Walker from Brothers & Sisters. In the world of Chuck, Sarah Walker from Brothers & Sisters would get totally overwhelmed by the treacherous spy missions, call her family members for support, and then rally to get through it. She might have a fling with Chuck for the self-esteem boost and then break it off abruptly and clumsily. She would have no patience for Chuck’s best friend Morgan—she’d deem him immature and promptly put him in timeout. She would totally hit it off with Chuck’s sister Ellie—they’d call each other for life advice. She would object to John Casey’s attitude of superiority,...