You can watch Tuesday's Cross Question in full again here.
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Iain Dale was joined by:
Larry Sanders – brother of US Senator and former Democratic Presidential primary contender Bernie Sanders, and former Health and Social Care Spokesperson for the Green Party
Greg Swenson – Chair of Republicans Overseas UK
Elisabeth Braw – Senior Fellow of the Atlantic Council and columnist for Foreign Policy magazine
Tom Rivers – broadcaster, journalist and former London Correspondent for ABC News Radio
Cross Question is live every Monday, Tuesday and Wednesday from 8pm. You can watch live on Global Player.