Update: Biden defends his first year

President Biden has held a rare press conference to mark a year in office. Biden has defended his administration’s response to the global economic impact of the pandemic, and concerns over supply chain problems.We speak live to the BBC's Gary O'Donoghue outside the West Wing. Also in the programme more than 100 billionaires and millionaires have issued a plea to political and business leaders, asking them to make the super rich pay more tax.