http://www.RealClearPolicy.com/authors/rss/archive/44001.xmlAuthor https://www.msn.com/en-us/news/opinion/no-president-should-have-unilateral-power-to-use-nuclear-weapons-sen-warren-and-sec-perry/ar-BB1d3Z8P Mon, 25 Jan 2021 00:00:00 -0600 Secretary William Perry