article_snippet: James Browne, of the Institute for Fiscal Studies, said the move would eventually save hundreds of millions of pounds  
article_snippet: The Treasury is now ‘softening’ to the idea and is examining the details.
article_snippet: It's the kind of welfare system we want - do we want a social safety net or are we saying that welfare is somehow a lifestyle choice?
article_snippet: And I think we do want the welfare system to send a message about personal responsibility, and yes that includes parents saving and taking some responsibility for the size of parents family, making sure it's according to parents means.
highlights_snippet: Work and Pensions Secretary Iain Duncan Smith is championing the plan .