Iain Duncan Smith is expected to set out the future of welfare reform to the Conservative party conference later. This comes after George Osborne's announcement on Monday about changes to the benefits system. We speak to Ed Holmes, a welfare specialist and research fellow at the Policy Exchange, and Rachel Hadwen, rights advisor for the charity Working Families. 13,000 customers could lose their money after the exchange business, Crown Currency Exchange, appointed administrators yesterday. We speak to our reporter Philipa Busby, who has been investigating the matter. Householders in Oxfordshire will be cooking and heating their homes with renewable gas made from sewage, in a joint scheme between British Gas, Thames Water and Scotia Gas Networks. Martin Orrell, project manager from British Gas, explains how it will work. And supermarket rivals Tesco and Sainsbury's will go head-to-head with company updates this week, along with Marks and Spencer who also release results. Dan Murphy, director at the retail consultancy AlixPartners, tells us what we can expect from the figures.