Good Wife Exec Producer David Zucker participated in a 2010 Banff World TV Festival master class and spoke a bit about how the show was pitched (not fully formed), and the somewhat sensational subplots that they've touched on.
Definitely tune in at 3:23 and 4:44.
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“We’ve been really shocked with what we’ve gotten away with. I mean, the Kalinda character - We were very careful of what we mentioned and we were very careful what we were going to do, and we were very surprised both with that and the fact that at the end of one of the episodes we have her teenage son grabbing a condom, clearly to go out and have sex…They’ve let us be honest about those relationships.”