Temperatures are falling in Europe, so the urgency is rising to get Ukraine ready for winter warfare. NATO defense ministers have just wrapped up two days of meetings in Brussels, with Germany, the Netherlands and France rushing air defense systems to the country after Russia launched a wave of missile attacks that killed civilians. The alliance also says it will go ahead with its annual nuclear exercises planned for next week, amid Putin’s veiled threats about tactical nuclear weapons. For more on this, Christiane speaks with NATO Secretary General Jens Stoltenberg. 

Also on today's show: Professor Vali Nasr, a former State Department official, gives his take on the continuing Iran protests; Chase Strangio, deputy director for transgender justice at the ACLU, discusses misconceptions about transgender health and rights.

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