The US president is breaking every negotiating rule in the book, to the bewilderment of his allies. Europe is now at a crossroads The US president is breaking every negotiating rule in the book, to the bewilderment of his allies. Europe is now at a crossroads Assistant professor in the Department of Political Science at the University of Toronto Barrister and former military officer who served in the Balkans, Iraq and Afghanistan Lawyer and mediator from Kyiv Political scientist and co-author