Emmanual Macron smiles thinly and other European leaders look stony-faced as Donald and Melania Trump arrive in Paris to mark 100 years since the end of the First World War. Observers say leaders like Trump - who has written social media tirades against Macron and other leaders - cannot underestimate the impact of their words online. EPA
Emmanual Macron smiles thinly and other European leaders look stony-faced as Donald and Melania Trump arrive in Paris to mark 100 years since the end of the First World War. Observers say leaders likeShow more

Trumplomacy: How leaders and diplomats cannot underestimate the effect of their words online