Donald Trump has hit the campaign trail in Texas as the clock ticks down to the midterms.  

But is the president becoming more of a hindrance than a help to Republican candidates? With the war in Iran dragging on and taking a toll on Trump’s standing, could his biggest political liability now be the conflict he started?  

Today, Nate Swanson, a former Iran negotiator on whether Donald Trump is getting ready to declare the war is over. 

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Nate Swanson, Director and Resident Senior Fellow at the Atlantic Council's Iran Strategy Project