In today's podcast, we hear that the Novichok attacks have brought Britain and Russia to the brink of cyberwar. The UK will take its case to the UN Security Council. Twitter and Facebook have completed their testimony on Capitol Hill, but investigation of tech's role in influence operations and public discourse continue. So do concerns about election security. Unpatched MikroTik routers are being exploited in the wild. OilRig shows some new tricks. Joe Carrigan from JHU ISI on biometric scanners tagging travelers at the border. Guest is Robert Anderson from the Chertoff Group with insights on the encryption debate.