Kate Andrews speaks to Tzipi Hotovely, Israel's ambassador to the UK; Gavin Barwell, Theresa May's chief of staff when she was prime minister; Douglas Murray, The Spectator's associate editor; Ivan Rogers, the UK's permanent representative to the EU from 2013 to 2017; Elbridge Colby, a former Pentagon official and the architect of Donald Trump's defence strategy; Emma Ashford, a senior fellow at the Atlantic Council; and Spectator journalists Fraser Nelson, James Forsyth and Katy Balls.