I really hate to see this woman being judged so harshly by some people. After reading the article, all I know about her living conditions is that she is a renter and has a rat infestation problem. Nowhere in the article does it say that she is lower income, working a menial job, or unable to provide a great life for this child. A lot of assumptions have been made. She could be living in a nice NY apartment - we don't know. As many posters have already stated, rats are equal opportunity boarders.
From the little information given in this article, it is as easy to assume that with the death of this child, the world has lost a future Nobel Peace Prize winner as it is to assume that this child is a future menial laborer.
If we judged everyone by the standards mentioned by some posters, approximately 12-14% of the US population should go childless. Much of the rest of the world would be childless, and therefore, uninhabited.
"While in any given year 12 to 14 percent of the population is poor, over a ten-year period 40 percent experience poverty in at least one year because most poor people cycle in and out of poverty; they don't stay poor for long periods, Poverty is something that happens to the working class, not some marginal "other" on the fringes of society." - Micheal Zweig, What's Class Got to do With It, American Society in the Twenty-first Century, 2004
Right now, all any of us can definitively say about this tragedy is that this mother has lost a child and deserves the sympathy normally afforded to a grieving mother.
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JMHO