https://theconversation.com/why-russia-pulled-out-of-its-grain-deal-with-ukraine-and-what-that-means-for-the-global-food-system-210046
https://blogs.timesofisrael.com/saudi-arabia-pr-powerhouse-or-pariah/
https://www.piie.com/blogs/trade-and-investment-policy-watch/anatomy-flop-why-trumps-us-china-phase-one-trade-deal-fell