Stephen Sackur speaks to lawyer Alan Dershowitz, part of Trump's first impeachment team. Will he help in the defence of Trump when the second impeachment process takes place?
Impeachment of Donald Trump
As Donald Trump’s impeachment trial approaches, Ros Atkins considers the former president's future in the Republican Party and his role in the violence at the Capitol building.
By Justin Parkinson
Political reporter, BBC News
Watch highlights of the Senate vote to clear the former president of inciting the attack on the US Capitol.
Republican Mitch McConnell calls the former president's actions a “disgraceful dereliction of duty”.
On the fourth day of the impeachment trial, the former president’s defence set out their case.