Iván Duque: Has Colombia's president failed?

Franklin Graham: An era of moral decline?

Stella Moris: Will Julian Assange be extradited to the US?

Inger Ashing: Is the war in Ukraine overshadowing other crises?

Victoria Spartz: Does her party share her commitment to defeating Putin?

Senator Mark Warner: Are we facing a new Cold War?

Jim Green: Has Nasa lost its way?

Zoltán Kovács: Whose side is Hungary really on?

Bill Browder: Sanctioning Russia

Eduard Heger, Prime Minister of Slovakia

Frances O'Grady: How can workers defend their interests?

Slava Vakarchuk: A rock star on the frontline

Mikhail Khodorkovsky: Making an enemy of Putin

Kylie Moore-Gilbert: 804 days in an Iranian jail

Omid Djalili: Can jokes be funny without being mean?

Dr Njoki Ngumi: Can art change Kenya?

Sergei Guriev: Is Moscow outmanoeuvring the West's sanctions?

Tsai Ming-yen: Could Putin’s strategy be a template for China to follow?

Nikita Mazepin: Sanctions on Russia 'are cancel culture'

Dmytro Kuleba: Is diplomacy at a dead end?