With more than 18 million votes already cast, Donald Trump is struggling to find a coherent closing argument for the US presidential election as opinion polls put him in danger of humiliating defeat by Democrat Joe Biden.
Long queues have formed across the country for early in-person voting, a sign that this year could see a record turnout in spite, or perhaps because, of a coronavirus pandemic that has killed more than 215,000 Americans and put millions out of work.
But there could still be surprises before election day on 3 November and fears persist that, in the event of a Biden victory, Trump could plunge the world’s oldest constitutional democracy into crisis by disputing the result in court, spreading conspiracy theories online and mobilising militant supporters in the streets.
Biden leads by 17 percentage points in an Opinium Research/ Guardian poll, 16 points in a CNN poll, and 11 points in an NBC News/ Wall Street Journal poll. The last incumbent president to suffer…