King Charles’ upcoming trip to the US may be in jeopardy, as several MPs have called for the outward state visit to be cancelled. The calls have come after President Trump insistence on ‘buying’ Greenland, and his threats to impose tariffs on countries that have denounced his bid. As NATO allies, Trump singled out the UK, as well as France, Germany and Denmark with the potential new tariffs, saying they will start at 10 percent and potentially rise to 25 percent if the countries have not