This was a minor plotline in one episode of The West Wing where they discussed a couple of the details the article gives about it, with the additional claim (which I'm unsure of the truth of) that it was influenced by the creator of it having grown up in the Soviet Union and therefore having incorrect assumptions about how much food prices would influence poverty in the long term. (I forget how it turned out, but I remember that the member of the administration hearing about this was at least initially against updating the poverty line calculation because it would cost them politically for the number of poor people to go up while they were in charge, to which the expert describing the new explanation replied that they already are poor, and the new calculation would just be recognizing that fact).