‘Big lies are part of authoritarian regime changes in history’ – Prof Timothy Snyder on Trump election fraud claims

In Washington, security is being ramped up ahead of Joe Biden’s inauguration next week, amid increasing concerns about security.

Meanwhile, Donald Trump faces trial in the Senate after becoming the first US president to be impeached for a second time and leading Republicans are increasingly divided over his fate.

We were joined by Prof Timothy Snyder, a historian specialising in fascism and political atrocity at Yale University