Heather Boushey writes, “Last week, while most of us were preoccupied by what to bring to the Fourth of July barbeque, the Bush administration quietly made a number of rule changes that will make life harder for the poorest among us. The administration claims that the new rules will promote ‘self-sufficiency,’ but it is probably closer to the truth to say that they will make harder for poor, single mothers to balance work and family needs.”