Siblings fight. It's natural. But what's less natural is displaying your whole life in front of millions of people every week. So when the Kardashian sisters argue, you know it's going to be larger than life. Over the last few years, Kourtney Kardashian has found herself at the center of many a quarrel between her and her sisters, and, according to a recent interview with her sister Kim, the upcoming season will see it get even worse. But what is the root of this rift, and will the family get through it intact?