This is a good article with an overview of the Start Treaty, which ends in 2021 if not renewed. Trump has described New Start as a "bad deal" and appears to be laying the groundwork for not renewing it. Bad as the nuclear arms situation is, it will be even worse with out the New Start treaty.
https://www.cnn.com/2019/07/20/world/us-russia-new-start-nuclear-weapons-analysis-intl/index.html
#nuclear_disarm #peace