The revelation that Elon Musk halted Starlink services near Crimea during a Ukrainian drone operation, stemming from a biography of the multi-billionaire, showcases the profound impact tech leaders can have in geopolitical affairs.

Ukraine has damaged the Kerch Strait bridge that connects Russia and Crimea, in a symbolic strike against Russia’s illegal annexation of the peninsula. The attack is part of a broader campaign to disrupt Russian supply lines and undermine its claim to Ukrainian territory.

The Cold War may be over, but Russia’s nuclear threat is real and dangerous. We must act to avoid a crisis.

Ukraine is hinting it may be prepared to talk, with conditions. Here’s what both sides could learn from the Northern Ireland peace process.