Round five of the EU-US talks are coming to an end. But how have recent world events colored the conversation? And what’s at stake for US products like autos and natural gas? Plus, back in the UK, we report on the history of the sewers of London and uncover their current plans to build a super sewer system there. Then later, we talk to the BBC’s Andrew Walker about David Cameron’s attempts to bring business from China to the UK and his goal of having London be one of the great capitals of Islamic Finance.