When America’s Supreme Court overturned Roe v Wade, the conventional wisdom was that it would help Democrats by galvanising them for the midterm elections. Two weeks away from Election Day, the picture isn’t quite so clear. We meet Russia’s ruthless new battlefield commander. And what scientists can learn from training nerve cells to play Pong. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer