Introduction

A motley collection of parliamentarians, now without its whisper-thin majority, has crumbled. That will force the country back to the ballot box—and back to familiar political turmoil. Increasing numbers of American cities are enticing people with cash incentives, but do such policies work? And why drumming helps people with emotional and behavioural difficulties.  For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer

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