Biden legitimacy to be challenged by opposition

As the clock ticks down in the US on Donald Trump's presidency -- why are some Republicans taking a final stand? We also head to the state of Georgia ahead of Senate run offs on Tuesday.

Also on the programme, India's drugs control authority has formally approved the emergency use of two coronavirus vaccines.

To talk about these stories and more we are joined by Eunice Goes, Portuguese born professor of politics at Richmond University in the UK and Tom Rivers, correspondent for ABC, the American radio in London.

(Photo: Preparations for the Presidential inauguartion at the Capitol building in Washington; Credit: REUTERS/Leah Millis)