Jeffrey Sachs was the youngest tenured professor in Harvard’s history when he was promoted only a few years after receiving his PhD. And for good reason. He is one of the most remarkable intellects I know. I have always been amazed and the breadth of his reading and knowledge, and when I give him one of my physics books, he reads it in a day, and comes back with great questions.

Jeffrey has not been content to stay within the confines of academia, and for 17 years served as a senior advisor to the head of the UN, and has worked, sometimes controversially, with numerous governments to help them out of economic hardships. His interest in world affairs has caused him to write a great deal about power politics, global conflict, and diplomacy, and I wanted to sit down and talk to him about two conflicts about which he has written recently, Ukraine and Gaza.

But first, we talked about his own career, his interest in economics, and also his thoughts about the UN, an agency which of late has dropped considerably in my own estimation.

I agree strongly with Jeffrey that only diplomatic solutions to military conflicts have any hope of lasting, and that nationalist politics that sustain military adventurism inevitably only causes the people within both warring countries undue hardship. But how to extricate countries from the cycle of violence is a difficult challenge, and Jeffrey doesn’t mince words in that regard. I have to say that I agree with him wholeheartedly about Ukraine. Not as completely on the Middle East, though our disagreements are subtle. We both agree that a two state solution in the middle east is essential, and detest many policies of the current Israeli government, especially on the west bank (although no more than I think we both detest the policies of the terrorist lunatics governing Gaza, who seem intent on inflicting as much or more hardship on their own populace as any external government does, most often to score political points on the world scene) I am less sanguine about the likelihood that UN troops and Arab nations could or would realistically and fairly implement and police such a situation, but I sympathize with his views that the UN may be the last resort.

I expect I may read some angry feedback about some of Jeffrey’s suggestions, but once again, reasoned discussion, especially about disagreements, is essential if we are to make progress, in science, and in the real world. As a result I feel particularly lucky to have people like Jeffrey to have such discussions with. I hope you are as stimulated and educated by the discussion as I always am when I talk to him.

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