Introduction

Perched at Russia’s north-western corner, the country has plenty of history dealing with neighbourly aggression. We speak with Alexander Stubb, a former prime minister, about his views on European security. After a nasty campaign season, South Korea has a new president, Yoon Suk-Yeol. We examine the myriad challenges he faces. And how to spot Parkinson’s disease early—with an electronic nose.

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