Will Donald Trump score an important victory against China by locking out Huawei from western networks? The Economist tried mightily to avoid giving personal credit to Trump in its analysis of decisions by the UK and Canada to exclude the regime-linked firm from its 5G projects. Instead, they cast it instead as “America’s war on Huawei” while noting that the final battle will take place in Berlin.That didn’t fool Donald Trump, who retweeted it out to his followers: The Economist’s unsigned analysis of the Huawei fight is sound enough, but for some reason they barely mention Trump at all,...