Sarah Palin is the perfect candidate to illustrate the fault lines within the left, and the pretenses of Democrats to care about families. See Daily Kos, claiming that Sarah Palin is not the mother of Trig Palin.
Sure, the Democrats care so much about women and families! Talk about the politics of personal destruction - sifting for dirt, to destroy not just the candidate, but her family.
Also worth reading: The Anchoress, responding to one of the "pro-women, pro-family" Democrats.