Trump withdrew from the JCPOA and Iran is closer to a nuclear weapon than when Trump took office.
He has not negotiated a new deal.
https://www.state.gov/u-s-withdrawal-from-the-inf-treaty-on-august-2-2019/ via @StateDept
On February 2nd, 2019, the U.S. provided its six-month notice of withdrawal from the Intermediate-Range Nuclear Forces Treaty due to Russia's continuing violation of the treaty. The U.S. withdrawal...https://www.state.gov/u-s-withdrawal-from-the-inf-treaty-on-august-2-2019/
He said it wasn't broad enough - just like he said about the JCPOA. And, he wanted China involved too.
https://www.theguardian.com/us-news/2020/oct/13/us-russia-arms-control-talks-new-start-treaty via @guardian
https://www.nytimes.com/2020/10/14/us/politics/trump-russia-nuclear-deal.html via @SangerNYT @AndrewKramerNYT
Trump administration officials want to broaden the New START accord and warn that the price of a new deal will rise after the election. Joe Biden supports a straight five-year extension of the deal.https://www.nytimes.com/2020/10/14/us/politics/trump-russia-nuclear-deal.html