Trump impeached by US House of Representatives

“Whatever else he accomplishes in office, this will forever be the asterisk that’s attached to his presidency,” explains Dr Brian Klaas following news of Trump’s impeachment by the US House of Representatives.

Watch: BBC Two’s ‘Victoria Derbyshire Programme’ (from 15 mins 50 secs), Listen: BBC World Service's 'Newsday' (from 1 min 23 secs)