In Syria the few remaining Islamic State fighters are hemmed in. The caliphate’s territory may be diminished, but the idea will live on. A Valentine’s Day look at the digital dating market reveals the protocols and pitfalls of online matchmaking. And the derailment of an attempt by India’s railway minister to tout a new high-speed line.

As America’s Senate majority leader pledges a vote on the Green New Deal, a sweeping set of policies around climate and much more, we examine just what the legislation does—and doesn’t—lay out. Following Cyril Ramaphosa’s State of the Nation address, we explore the challenges South Africa’s president faces as an election looms. And our language columnist declares war on misused metaphors. Additional audio courtesy of Sunrise Movement & FDR Presidential Library.

Today 12 leaders of Spain’s Catalonia region go on trial, accused of rebellion. The proceedings will lay bare long-running tensions about democracy and unity. As Amy Klobuchar, a Minnesota senator, joins America’s presidential race, we ask whether her centrist tendencies are an advantage or a handicap. And a retrospective of the photographer Don McCullin’s work reveals extremes of human experience and suffering.

We examine how the echoes of Iran’s revolution, 40 years ago, still influence how the Islamic Republic deals with the West today. Harley Davidson has become entangled in the Trump administration’s trade war just as changing demographics have put the brakes on the motorcycle-maker. And, we tackle an old ethics conundrum and its relevance to future autonomous vehicles.

A Thai princess enters the running for prime minister—a development that reshuffles the country’s centres of power completely. Our obituaries editor chronicles the heartbreak of an Iraqi archaeologist. And Chinese scientists have come up with a smarter way for Earthlings to try contacting aliens—but what kinds of messages is humanity sending them?

After America and Russia pull out out of a cold war-era weapons treaty, we examine the picture of global stability without it. Our China columnist visits with members of the Hui, a repressed Muslim minority spread throughout the country. And Europe launches a system to combat fake-medicines—an expansive and expensive project that few think is necessary.

Today the Trump administration is expected to announce its nomination for head of the World Bank today. He’s a Treasury official with a sharply critical view of the institution and, to a degree, he’s right. A troubled region of the Philippines heads to the polls, as a Muslim minority calls for greater autonomy. The result might help calm centuries of violence. Finally, we take a trip to the shiny centre of China’s gold industry, just as golden-gift-giving spikes around the lunar new year.

Tonight President Trump will deliver his State of the Union address; we ask what he’ll be saying, and what the state of the union really is. Yesterday the jury began its deliberations in the trial of “El Chapo”, an alleged Mexican drug lord. What impact has his capture and trial had on the drugs trade? Finally, Japanese schools and businesses have some onerous grooming rules, stipulating even sock colour—but things seem to be changing.

Internal and international pressure on President Nicolás Maduro brings Venezuela to the brink of change. As Facebook turns 15, it’s lurching from crisis to crisis—and still making money hand over fist. We ask whether it has, on balance, been good for the world. Finally, there’s an Iranian pop star who was once a darling of the regime. What’s changed?

As progress appears to have been made in peace talks between America and the Taliban, the Senate urges the Trump administration not to rush for the door in Afghanistan. Origami might be pretty, but it hides great scientific potential; it’s starting to show up in all kinds of new technologies. And, our obituaries editor discusses the career of master accordionist Marcel Azzola, and how lives can be celebrated in writing.