Clamping down on Russia’s diamond trade

<p>From the BBC World Service: Russia is the world’s largest producer of rough diamonds, and despite all the sanctions imposed after the invasion of Ukraine last year, diamonds are one of the few major exports still untouched. But that&#8217;s about to change. Plus, Taiwan is at the heart of the world’s semiconductor trade, but as tensions with China persist, is it viable to have so much production in one place?</p>