You can watch Tuesday's Tonight With Andrew Marr in full here.
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Andrew Marr was joined by:
Dan Neidle - Founder of Tax Policy Associates Ltd. and Tax Lawyer
Helen Miller - Deputy Director of the IFS and Head of the Tax sector
Aggie Chambre - LBC's Political Correspondent
Liam Byrne - Labour MP for Birmingham Hodge Hill and author of 'The Inequality of Wealth: Why is Matters and How to Fix It'
Jeffrey Feltman - Former United Nations Under-Secretary-General for Political Affairs and former U.S. Ambassador to Lebanon
Amara-Sophia Elahi - LBC's Correspondent
Sir Iain Duncan Smith - Former Leader of the Conservative Party and architect of Universal Credit
Mark Laity - Former Spokesman for NATO and former Defence Correspondent for the BBC (1989-2000)
Dorothy Byrne - Former Head of News and Current Affairs at Channel 4, author of 'Trust Me, I'm Not a Politician', who became a single mother through IVF at 45
Peter Twist - City of London Tour Guide who regularly carried out early morning tours of Smithfield Market
Aggie Chambre - LBC's Political Correspondent
Watch Tonight with Andrew Marr exclusively on Global Player every Monday to Thursday from 6pm to 7pm.