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Kaja Kallas: Is Russia a threat to Estonia?

Martin Griffiths: Is the UN system failing those in greatest need?

Anwaar-ul-Haq Kakar: Can he steer Pakistan through political turmoil?

Paolo Gentiloni: Are divisions costing the EU on the global stage?

Lord Deben: Is short-term politics undermining climate action?

Danny Danon: A new Middle East war

Ehud Barak: Where will the Middle East conflict end?

Olha Stefanishyna: How solid is the West’s support for Kyiv?

Husam Zomlot: Is Gaza on the brink of a humanitarian crisis?

Adam Smith: How does the US navigate its multiple interests?

Aiden Aslin: Captured, tortured and swapped by Russia

Lubaina Himid: Race, culture and modern Britain

Jakov Milatović: President of Montenegro

Sir Lindsay Hoyle: Can the Speaker ensure parliament better serves the people?

Abdallah Bou Habib: Could Lebanon get dragged into war with Israel by Hezbollah?

Carlo Rovelli: Life, the universe and white holes

Mustafa Barghouti: What next for the Palestinian people?

Fiona Hill: Are overseas wars exposing US weaknesses?

Mervyn King: Global growth and inflation

Mark Alford: Do US Republicans have a winning formula?

Chris Coons: Is team Biden in trouble?

Michel Roux: Is the business of fine food turning sour?

Jonna Mendez: Does the world still need spies?

Cardinal Peter Turkson: Is the Catholic Church at a crossroads?

Simcha Rothman: Is violence in Israel's best interests?

Philippe Lazzarini: Could Gaza become unliveable?

Jasem Albudaiwi: Could the Gulf states be destabilised by the conflict in Gaza?

Fatih Birol: Is the global energy transition veering off course?

Victoire Ingabire Umuhoza: What Rwandans think of the UK migrant transfer deal

Sandra Day O'Connor: The first female US Supreme Court judge