One by one, US President Donald Trump has been laying down his bargaining chips for the negotiation he wants to redefine America’s relationship with Europe. The fact sheet released by the White House on Thursday night to outline Trump’s promise of reciprocal tariffs from early April not-so-subtly places the prospect of a trade war within this wider geopolitical negotiating framework. Under the heading “the art of the international deal” – a nod to the best-selling book that launched Trump’s career in 1987 – the White House includes a helpful summary for any EU negotiator who may have missed the previous…