The United States was launched on a fresh course of disruption and division on Monday as Donald Trump was sworn in as its 47th president, promising a blitz of executive orders, a radical shake-up of the global order and a “golden age of America”.
In a ceremony staged indoors in the US Capitol because of sub-zero temperatures, the former president prepared to return to the White House in triumph after taking the oath of office from John Roberts, chief justice of the supreme court.
