A state visit is a connecting of people, not governments; of cultures, not commentators – our national bonds should be honouredShould King Charles’s state visit to the United States next month be cancelled? The case for doing so is powerful. America is waging an unprovoked war on Iran in which more than 1,000 innocent people have already been killed. The collateral damage to the global economy, including Britain’s, is becoming astronomical. All Donald Trump can do is insult Britain’s prime minister as a “loser” and “no Winston Churchill” for failing to join him. Should the monarch honour such a man by attending a Washington banquet?The call is close. The occasion is the 250th anniversary of the founding of the United States with the declaration of independence. Of course this merits celebration. But now? British public opinion is emphatically opposed to the US war on Iran. Many more Britons think the royal visit should be abandoned (46%) than think it should go ahead (36%), with 18% un...