TECHNOLOGY QUARTERLY: THE FUTURE OF AGRICULTURE Britain leans towards Brexit South Korea:no place for working women Waging war on potholes Speech therapy for central bankers JUNE 11TH–17TH 2016 Goodbye to the Greatest How to make a good teacher Contents The Economist June 11th 2016 5 8 The world this week Asia 39 South Korea’s working Leaders women Of careers and carers 13 Education How to make a good 40 Indian diplomacy teacher Modi on the move 14 Brexit 41 Japan and money politics Jeremy Corbyn, saboteur Remembering Tanaka 14 Fund management 41 Afghanistan and Pakistan Slow-motion revolution A border tightens Brexit: leaning out 16 Agricultural technology 42 War in Afghanistan Britain’s flirtation with Brexit Feeding the ten billion American troop numbers is more complicated than an 18 The trade in albino bones 43 Banyan Migrant workers anti-globalisation vote: On the cover For the colour of their skin Bagehot, page 60. Lacklustre What matters in schools is and poorly led, the Labour teachers. Fortunately, Letters China Party is letting down the teaching can be taught: Remain campaign: leader, 20 On tuberculosis, China’s 45 Wenzhou’s economy leader, page13. Great page14. Most European Florida, Indian textiles, Lessons from a crash teaching has long been seen bosses are twitchy about Arab history, Essex, 46 China and America as an innate skill. But Brexit; a few spy an Brazil, moderation Aerial chicken reformers are showing that opportunity: Schumpeter, the best teachers are made, page 70 not born, pages 24-26 Briefing Technology Quarterly 24 Education reform The future of agriculture Teaching the teachers After page 46 The Economist online Daily analysis and opinion to United States Middle East and Africa supplement the print edition, plus audio and video, and a daily chart 27 Hillary Clinton 49 Morocco Economist.com Madam nominee The pluses and minuses of monarchy E-mail: newsletters and 28 The campaigns mobile edition Heard on the trail 50 Public spaces in the Economist.com/email 28 Paul Ryan Middle East No bed of roses Print edition: available online by Republicans and welfare 7pm London time each Thursday 31 Swimming religiously 50 Ramadan in Saudi Arabia Hillary Clinton, nominee Economist.com/print Scruples and splashes Taking it to heart The former First Lady takes a Audio edition: available online 31 Chicago’s museum wars 51 Trade in east Africa big step towards getting her to download each Friday Light against dark Worth celebrating old house back, page 27. Heard on the trail, page 28 Economist.com/audioedition 32 Cannabis in the capital 52 The killing of albinos Federal haze Murder for profit 33 Southern men Bill Luckett Europe 34 Lexington 53 Rome elects a mayor Doing Trump’s work Five stars in first place Volume 419Number 8993 54 European football Published since September1843 Paris match to take part in "a severe contest between The Americas intelligence, which presses forward, and 35 Peru’s election 55 Poland’s protests an unworthy, timid ignorance obstructing From Facebook to the our progress." The fortunate president streets Editorial offices in London and also: 36 Corruption in Guatemala Atlanta, Beijing, Berlin, Brussels, Cairo, Chicago, Bad apples everywhere 55 Iran’s Turkish connection Lima, Mexico City, Moscow, Mumbai, Nairobi, Golden squeal New Delhi, New York, Paris, San Francisco, 36 Canada’s far north Albinos Superstition is São Paulo, Seoul, Shanghai, Singapore, Tokyo, Airships in the Arctic 56 Voting and sex fuelling a grisly trade in Washington DC Why women swing left human body parts. Tanzania 38 Bello The Mexican blues 57 Charlemagne shows how it can be curbed: A party for immigrants leader, page 18. Horrific killings continue in Malawi, page 52 1 Contents continues overleaf 6 Contents The Economist June 11th 2016 Britain Science and technology 58 Consequences of Brexit 78 Cancer treatment Beyond the fringe On target 59 Brexit brief 79 Drugs A multispeed EU Priced out 60 Bagehot 80 Carbon capture The new J-curve Turning air into stone 80 Fixing potholes International The hole story 61 Foreign aid 81 Human evolution No place for working women Potholes Researchers are Misplaced charity Hobbit forming South Korea’s conservative finding new ways to prevent a workplaces are holding women 62 Where does the aid go? motoring curse, page 80 back, page 39 Size matters Books and arts 82 Palestine Business The view on the ground Subscription service For our latest subscription offers, visit 65 The internet of things 83 Literary history Economist.com/offers Where the smart is Born to be Wilde For subscription service, please contact by telephone, fax, web or mail at the details 66 Google’s other 83 Psychosomatic illness provided below: businesses Straight and crooked North America Alpha minus thinking The Economist Subscription Center P.O. 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Canada Post publications mail (Canadian distribution) sales agreement no. 40012331. Return undeliverable Canadian addresses to The Economist, PO Box 7258 STN A, Toronto, ON M5W 1X9. GST R123236267. Printed by Quad/Graphics, Saratoga Springs, NY 12866 8 The world this week The Economist June 11th 2016 TrumpUniversity would not In Hong Kong thousands of State that Iraqi forces are try- Politics give him a fairhearing because people attended an annual ing to retake. IS has fired on he was ofMexican descent. vigil to commemorate the residents trying to flee. Paul Ryan, the Speaker ofthe crushing ofthe Tiananmen House ofRepresentatives, who Square protests in Beijing in Two Palestinian gunmen only recently and somewhat 1989. Some student groups, opened fire in a restaurant in reluctantly threw his support which had joined previous Tel Aviv, killing fourpeople. A behind Mr Trump, described it vigils, stayed away, saying they wave ofviolence against Israe- as a “textbookdefinition ofa preferred to focus on demo- lis that has lasted for over a racist comment”. cratic reform in Hong Kong. year had only recently started to abate. The government Power surge At least19 people were killed in suspended entry permits for Cabinet officials from America attacks on an army base, Palestinians from Gaza and the and China held talks in Beij- checkpoint and gun shops in West Bank. ing. China agreed to cut steel Aktobe, in north-western output, co-operate on combat- Kazakhstan. Islamic militants South Africa’s economy Hillary Clinton claimed the ing climate change and enforce were blamed. contracted by an annualised Democratic nomination for sanctions on North Korea 1.2% in the first three months of president after winning four aimed at persuading it to aban- Tax-free threshold 2016, a farsteeper fall than had more states. In California, the don its nuclear-weapons pro- Saudi Arabia’s government been forecast by economists. biggest prize ofall, she wal- gramme. Big differences re- published more details ofits The slumping economy will loped Bernie Sanders, her mained, however, not least plans to reduce the country’s add to pressure on the ruling rival, by 56% to 43%.