It’s not so much the first 100 days, but the first 100 hours. Joe Biden had barely moved into the White House and the evening’s firework celebrations had yet to begin when he signed America back up to the Paris Accord, amid a flurry of executive orders.
Four years of Trump exceptionalism on foreign policy whisked with a few strokes of a fountain pen. Mr Biden seems determined to make America look familiar again.
But supporters of his own Democratic Party are already calling for far more fundamental change to reform the country from top to bottom. Can that be done?