When Joe Biden formally takes over the presidency from Donald Trump he will face some of the greatest crises the US has faced in recent history: a pandemic that has killed more than 200,000 Americans, a devastated economy, a fractured nation and a rapidly overheating climate.
The Guardian's Lauren Gambino looks at how Biden and vice-president-elect Kamala Harris plan to 'heal' a bitterly divided nation after four years of Trumpism - and the challenges they will face with the prospect of having to navigate these times without a majority in the Senate