Britain’s referendum on the EU
David Cameron, Britain’s prime minister, announced the details of Britain’s draft deal to renegotiate its relationship with the EU – but where does that leave the debate? Gideon Rachman discusses with George Parker, UK political editor and Alex Barker, Brussels Correspondent

Iowa offers first test for US presidential hopefuls
After months of build-up, the Iowa caucus will offers US presidential candidates their first chance to get ahead. Gideon Rachman reviews the chances of the Republican and Democratic rivals with Courtney Weaver and Edward Luce.

Lifting of sanctions offers hope to Iran’s ailing economy
The lifting of UN sanctions on Iran reconnects a potentially vibrant emerging economy to world markets, with the allure of a bonanza for international and local investors and a brighter future for a restive young population. The FT’s Siona Jenkins asks Najmeh Bozorgmehr, Tehran correspondent, Martin Arnold, banking editor, and Anjli Raval, oil correspondent, what obstacles remain and how soon the country is likely to see results.

Brussels launches probe into rule of law in Poland
Poland’s conservative government has taken decisions about the courts and media that are causing concern across Europe, prompting the European Commission to launched an investigation into the rule of law in Poland. Gideon Rachman discusses the unprecedented move with Henry Foy, FT correspondent in Warsaw, and Neil Buckley, East Europe editor.

Iran-Saudi split damps hopes for regional conflict resolution
The year has begun with a sharp deterioration in the relationship between the two major powers in the Gulf region: Iran and Saudi Arabia. Gideon Rachman is joined by Roula Khalaf, foreign editor, and Geoff Dyer, Washington correspondent, to discuss the regional implications of the dispute.

Has the rise of France’s National Front been halted?
France’s far-right National Front failed to win control of any regions in this weekend’s elections, but its performance was strong enough to shock the mainstream parties. Gideon Rachman asks Anne-Sylvaine Chassany and Hugh Carnegy how worried they should be about 2017′s presidential elections.

Brazil’s political quagmire
Brazil’s economy is shrinking, President Dilma Rousseff’s popularity is at an all time low and now opposition politicians have begun impeachment proceedings against her. Gideon Rachman asks John Paul Rathbone and Joe Leahy what this means for the country and whether things can get any worse?

What hope for the Paris climate talks?
How much progress is likely at this week’s global talks on combating climate change? Gideon Rachman discusses the prospects for agreement on reducing carbon emissions with Michael Stothard and Martin Sandbu.

Can world powers make common cause against Isis?
France has been courting US and Russian support for a war on Isis in the wake of the Paris terror attacks. But while Russia and Turkey, a Nato member, claim to be fighting the same foe, they themselves saw armed combat this week when Turkey shot down a Russian jet on its border with Syria. Mark Vandevelde asks Gideon Rachman and Geoff Dyer whether world powers are capable of making common cause against Isis.

Paris atrocity exposes European security shortcomings
The Paris terror attacks have exposed Europe’s security and intelligence shortcomings and fulfilled officials’ worst fears about blow back from Syria’s bloody civil war. Ben Hall discusses the attacks and their implications with Sam Jones, defence and security editor, and Roula Khalaf, foreign editor.

Cameron’s message to the European Union
David Cameron has set out his demands for a new relationship with the European Union ahead of a referendum on Britain’s membership. Gideon Rachman discusses how the UK prime minister’s message is being received at home and in the rest of Europe with George Parker and Alex Barker

The US climate change divide
As world powers prepare to negotiate a new global accord on greenhouse gas emissions in Paris, one of the big questions is what happens in the US, the world’s second biggest emitter. Ben Hall discusses the issue with Pilita Clark and Demetri Sevastopulo.

Poland’s shift to the right
The election victory of Poland’s Law and Justice party took many by surprise given the successful economic record of the outgoing government. Gideon Rachman discusses why Poles voted for change, and what the result means for the country’s ties with the EU, Russia and Nato, with Tony Barber, Europe editor, and Henry Foy, Warsaw correspondent.

Turmoil in Turkey
Turkey suffered its worst terrorist attack at the weekend, but rather than uniting the country in grief, it has exacerbated suspicions that the ruling AK party is intent on stoking ethno-sectarian tensions ahead of next month’s elections. Ben Hall discusses the crisis with Daniel Dombey and David Gardner.

What the TPP means for US-Asia ties
The US reached agreement this week with Japan and 10 other Pacific Rim economies on a Trans-Pacific Partnership. Gideon Rachman discusses the scope of the pact and what it will mean for those who have signed up, and those left out, with Shawn Donnan and Geoff Dyer

Merkel under pressure
Germany’s chancellor Angela Merkel is facing an array of problems ranging from the scandal at Volkswagen to the arrival of up to a million refugees in the country. Gideon Rachman discusses the extent of Germany’s difficulties and whether it amounts to a crisis with Stefan Wagstyl and Andy Sharman.

Russia raises its profile in the Middle East
Russia has moved fighter jets, tanks and troops into a base in Syria, meanwhile Vladimir Putin, Russian president, is gearing up to make a major speech at the United Nations. What are the Russians up to? Gideon Rachman discusses this question with Neil Buckley and Geoff Dyer.

Europe’s fraying union
Mark Vandevelde, executive comment editor, joins Gideon Rachman, Tony Barber and Peter Spiegel to discuss how the dual euro and refugee crises are putting strain on the EU, what role the Schengen agreement may or not have played in the latter, and whether or not the union can weather the storm.

Lebanon and Turkey struggle to meet the needs of Syrian refugees
The future of Syria and its neighbouring states, Lebanon and Turkey, remains unsure as they are struggling to cope with millions of refugees from the Syrian conflict. Gideon Rachman talks to Erika Solomon, FT correspondent in Beirut, and Dan Dombey, former FT bureau chief in Istanbul, about the political and societal strains caused by the refugee crisis

Europe’s borders under strain
Europe is facing its biggest refugee crisis in decades, with Germany assuming the greatest burden for absorbing the asylum seekers. Gideon Rachman talks to Jeevan Vasagar, FT correspondent in Berlin, and Tony Barber, FT Europe editor, about the political strains caused by the crisis.