[Spoiler alert: The following reveals major plot points from Tuesday's episode of Parenthood. ?Read at your own risk.] A son with Asperger's, money troubles, an unexpected pregnancy. Like almost every member of the Braverman clan,
Parenthood's Kristina (
Monica Potter) has been put through the wringer. So when it came time to start work on Season 4 of the NBC family drama (Tuesdays at 10/9c), Potter had a gut instinct for what should come ...