Stephen Sackur is in Tallinn for an exclusive interview with Estonian Prime Minister Kaja Kallas. This small Baltic state knows all about subjugation to Moscow and is a steadfast supporter of Ukraine, but just how risky is it to defy the Russian bear next door?

Stephen Sackur speaks to exiled Afghan human rights campaigner Shaharzad Akbar. She is focused on the fight to end what she calls the Taliban’s gender apartheid. Given the scale of poverty and repression in Afghanistan, what is the right international response? (Photo: Shaharzad Akbar in the Hardtalk Studio)

Stephen Sackur speaks to Green Party of England and Wales politician Caroline Lucas. She’s the party’s only Westminster MP, but she’s decided to quit. Is that because putting the planet first is never going to be a pathway to power?

Stephen Sackur speaks to the acclaimed Israeli historian and author Yuval Noah Harari. Having given us an explanation of the success of humankind in his book Sapiens, he’s now in darker territory. From Israel to the United States, he says democracy is in danger. Are humans losing the ability to trust and co-operate?

Stephen Sackur speaks to former Russian deputy energy minister Vladimir Milov, who once served Vladimir Putin. Now he’s a die-hard opponent of Russia’s premier, living in exile and trying to rally a Russian resistance movement. But from the battlefield to the economy, could Putin yet outlast his enemies?