Warren Preston, deputy chief economist for the USDA, delivered the keynote address at a collaborative forum on agriculture, trade and supply chain issues.
![Top USDA economist speaks on agriculture and trade at UMSL forum](https://blogs.umsl.edu/news/files/2019/09/AgSupply_818.jpg)
Warren Preston, deputy chief economist for the USDA, delivered the keynote address at a collaborative forum on agriculture, trade and supply chain issues.
Warren Preston, deputy chief economist for the USDA, delivered the keynote address at a collaborative forum on agriculture, trade and supply chain issues.
Warren Preston, deputy chief economist for the USDA, delivered the keynote address at a collaborative forum on agriculture, trade and supply chain issues.
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