I don’t think they ever did. The main source of this seems to be papers in Iran. https://skeptics.stackexchange.com/questions/16971/does-the-united-states-throw

I don’t think they ever did. The main source of this seems to be papers in Iran. https://skeptics.stackexchange.com/questions/16971/does-the-united-states-throw-wheat-in-the-ocean-to-keep-the-prices-high https://skeptics.stackexchange.com/questions/16971/does-the-...