You know, it only matters to a certain point whether Santorum meant to say ‘black’ or had a verbal brain fart. His general point was hideous either way. America and other modern countries have gone through enough policy iterations to know what happens when you cut the social safety net. The poor become a peon class who live in constant fear of bankruptcy or jail and spend their lives managing their parents’ debt and health issues. Whether Santorum wants to immiserate all poor people or only the poor of a dusky hue, he is still a world-class asshole.
(Added) On the other hand, it matters a hell of a lot to his yokel constituency whether he has them in the crosshairs or just those undeserving urban poor who pick up steaks in their welfare Cadillacs. He would get run out of town in feathers if he threatened to take away the good kind of government handout.