For all you need to know ahead of his decision, here are five of our most pertinent stories in recent weeks.
What would the U.S. gain by pulling out of the agreement and how might Iran react? An explainer
From Trump signing another sanctions waiver to Tehran resuming uranium enrichment, Anshel Pfeffer lays out the potential outcomes – all the way up to war
Netanyahu has convinced Trump that leaving the deal protects Israel. But the U.S. walking out means a full-on Israel-Iran war becomes far more likely, argues Michael J. Koplow, the policy director of the Israel Policy Forum
Israel is being cautious, writes Amos Harel, enabling operations to remain below the threshold of war even though it knows it might be subjected to retaliation at some point
Dr. Emily Landau, an expert on nuclear proliferation in the Middle East, claims that Iran's threats to pull out of the deal if Trump tries to renegotiate it are exaggerated – the deal has been great for Iran
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