Trump has utterly changed the rules of engagement. World leaders must learn this – and quickly

News Snapshot:

It’s not only about Donald Trump. It’s not just about saving Ukraine, or defeating Russia, or how to boost Europe’s security, or what to do about an America gone rogue. It’s about a world turned upside down – a dark, fretful, more dangerous place where treaties and laws are no longer respected, alliances are broken, trust is fungible, principles are negotiable and morality is a dirty word. It’s an ugly, disordered world of raw power, brute force, selfish arrogance, dodgy deals and brazen lies. It’s been coming for a while; the US president is its noisy harbinger. Take the issues...