How did a forum for global cooperation become a stage for authoritarians? The Guardian world affairs editor, Julian Borger, analyses the G20 ahead of the summit in Buenos Aires with the help of the Guardian’s foreign correspondents. Plus William Davies on why we stopped trusting elites. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

The death of an American missionary on a remote Indian island has sparked a backlash in India. The Guardian’s Michael Safi describes how John Allen Chau was killed after trying to preach Christianity to one of the world’s last remaining indigenous societies who live in total isolation. Plus John Harris on the trouble with Airbnb. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

France has been gripped by protests sparked by anger over fuel tax rises, which have mushroomed into demonstrations against the ruling class. The Guardian’s Angelique Chrisafis has been covering what were supposed to be peaceful protests. Plus: Owen Jones argues that if a ‘Brexit betrayal’ narrative takes hold, Britain’s far right is poised to capitalise. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

More than a million people around the world have been harmed by medical devices they assumed were safe. We hear from one woman whose life has been devastated by what she thought was a routine procedure. Science correspondent Hannah Devlin lifts the lid on the implant industry. Plus, Bryan Mealer on walking with the migrant caravan trying to reach the US. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

In June 2016, a poll suggested that 92% of the fishing industry voted to leave the EU. Sam Wollaston spent four days onboard a trawler to find out why. Plus: Nesrine Malik argues that Hillary Clinton is wrong to claim that curbing migration is the answer to rightwing populism. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

Pharmaceutical companies are driven by profit. Is that why diseases that kill thousands of people every year have been ignored – even though the cures may already exist? Health editor Sarah Boseley investigates. Plus: Hillary Clinton argues that Europe must curb immigration to stop rightwing populists gaining ground. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

Donald Trump’s former strategist has been touring the continent and attempting to sign parties up to his pan-European populist project. But as the Guardian’s Paul Lewis finds, it is not going completely to plan. Plus: David Conn on preparations for Qatar 2022, the most improbable football World Cup yet. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

In 2010, a plane crash in Russia killed Poland’s president and plunged its prime minister Donald Tusk into crisis. Agata Popęda and Daniel Boffey discuss how this incident still affects Tusk’s political career today. Plus: film-maker Mike Leigh on the 1819 Peterloo Massacre. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

Asia Bibi was kept in solitary confinement on death row after being convicted of blasphemy in Pakistan over an argument about a cup of water. Now, after her acquittal eight years later, she is in fear for her life. The Guardian’s Memphis Barker and Harriet Sherwood trace the story back to the original incident on a farm in 2009. Plus: Zoe Williams on why a housing market crash would benefit no one. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support

As part of his field work for a damning report into poverty in the UK, Philip Alston, the UN rapporteur, visited Newcastle where he found people struggling to negotiate the benefits system and going hungry. He called it a ‘social calamity and an economic disaster’. Plus: John Kerry on how Donald Trump has undermined global institutions. To support The Guardian’s independent journalism, visit theguardian.com/todayinfocus/support