He returned much as he had departed (not that he ever really did), beneath a pall of controversy. In a Capitol ceremony drenched with quasi-religious fervour, Donald Trump was sworn in as the 47th US president, simultaneously pledging a new golden age for America and a radical shake-up of the global order.
Amid a barrage of unnerving executive orders that will surely set the tone for a new era of disruption and division, David Smith was in Washington DC to witness a dark moment for many, while diplomatic editor Patrick Wintour lays out the fears of a world hoping for the best but preparing for the worst.
