As the Chancellor says the Treasury is looking into the potential revenues from scrapping the 'non-dom' tax status, we speak to the author of Bloomberg's Money Distilled newsletter, John Stepek, about what he sees as the bigger issues in the tax system. Also in the show: What next for the Scottish National Party after the Supreme Court quashed its plan for another independence referendum? NP MP Tommy Sheppard joins Yuan Potts and Stephen Carroll to discuss.