Mother of boy saved by utility pole arrested

At first, it was a miraculous story: A 4-year-old Kansas City boy falls under a rolling car, and just as a wheel is about to crush his skull, the car stops after sliding into a utility pole. What a relief, right? And how freaking weird is that? The little boy is in stable condition, and he should recover and get back to being a kid again soon. Great story.
But, damn it, no. Put those warm fuzzies away. This is a crappy, sad, stupid story.