The biggest mystery of the fall season doesn't involve a detective or dead body; the suspects are, in this case, '2 Broke Girls.' Why doesn't the CBS sitcom do a much faster and more efficient job of fixing what's wrong with it? These problems are eminently fixable and they're getting in the way of what's working about the show.

'2 Broke Girls,' you may recall, was one of the best-reviewed pilots of the season, but since then, it's often found itself mired in a morass of cringe-inducing supporting characters, brain-numbing predictability and jokes that feel as though they were exhumed from dead sitcoms of the '80s. What gives? The show is doing well (it got a full-season order from CBS), but I can't escape the feeling that it'd be doing even better if it ditched its more groan-worthy elements.

Given the magical ability to fix '2 Broke Girls,' here's what I'd change right away:

1. Dump the racist caricature.