The Guardian view on Donald Trump’s credibility: America’s compromised leader | Editorial

As the Mueller investigation continues to produce troubling charges against his innermost circle, the US president’s word is increasingly suspect both at home and abroadEarlier this week Donald Trump stood on the south lawn of the White House and ridiculed Theresa May’s Brexit agreement as a “great deal for the EU”. He is likely to make the same contemptuous case during the G20 summit in Argentina this weekend, although pointedly there is no planned bilateral. Given the p