You can watch Wednesday's Tonight with Andrew Marr in full here.
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Andrew Marr was joined by:
Grant Shapps - Secretary of State for Defence and Conservative MP for Welwyn Hatfield
Dr Izzeldin Abuelaish - Canadian-Palestinian Doctor and author of 'I Shall Not Hate'
Hannah Weisfeld - Director of Yachad, a British Jewish organisation whose primary mission is to work towards a peaceful resolution between Israel and Palestine
Fraser Knight - LBC's Reporter
Tim Peake - British Astronaut and author of Space: The Human History