President Joe Biden’s dismal showing at the CNN presidential debate against former President Donald Trump resonated around the world, with foreign diplomats expressing shock and concern while raising questions about the implications for a consequential US election that could upend the foreign policy status-quo should Trump be elected again. “Hard to watch” is how multiple foreign diplomats described Thursday night’s debate between Biden and Trump to CNN. The overwhelming sentiment among more than half a dozen diplomats from Europe, the Middle East and Asia whom CNN spoke to was that it was “a bad night for Biden,” as one European...