Trump will struggle to get anything through Congress.
Scuttling the nuclear deal leaves America with less leverage than it had when it negotiated the JCPOA in the first place.
The crucial issue that President Trump must address in his speech is what comes after a decision to decertify the nuclear agreement.
Moscow has taken a major step forward in its quest for durable recognition as a great power in the Middle East.
Given how difficult and time-consuming negotiations with Tehran are going to be, the Trump administration should start now.
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