On March 11, at the United Nations, Russia accused the United States and Ukraine of collaborating on developing chemical and biological weapons. Russian officials claimed to have documents proving an attempt to destroy evidence of this illegal activity. None of the coverage reveals whether the documents published on the Russian Defense Ministry’s website make a credible case. In other words, the Russian accusations may or may not be true. Whether such activity is likely or not is another question, but even if it were considered likely, that does...