U.K. House of Lords Labour Member and former Secretary of State for Northern Ireland Peter Hain and Bloomberg's Emma Ross-Thomas discuss the Irish border's impact on Brexit negotiations and Prime Minister Theresa May's clash over the customs union.

Queen Elizabeth II outlines the U.K. government's priorities for Brexit negotiations in an address to the House of Lords.

Francesco Papadia, a non-resident fellow at Bruegel, and Holger Schmieding, chief economist at Berenberg, talk about U.K. House of Lords scrutiny of the Brexit bill and the economic effects they see from the triggering of Article 50.