The West urgently needs to go tougher on Putin's threat of a 'dirty bomb'

Russia is intent on inflicting massive destruction to break Ukrainian morale, to improve its bargaining position at a future negotiation, and to increase the Western reconstruction costs. This policy may include the use of a “dirty bomb” intended to contaminate large areas of Ukraine with radioactive material. The West must urgently devise a response to ensure Putin abandons this disastrous idea....