>Clear and Present Danger

Justice oliver wendell holmes jr., writing for the U.S. Supreme Court in Schenck v. United States, 249 U.S. 47, 39 S. Ct. 247, 63 L. Ed. 470 (1919), stated: "The question in every case is whether the words used are used in such circumstances and are of such a nature as to create a clear and present danger that they will bring about the substantive evils that Congress has a right to prevent."

https://legal-dictionary.thefreedictionary.com/Clear+and+Present+Danger

Clear and Present Danger (A Jack Ryan Novel)

Publisher Berkley; Reprint Edition (July 1, 1990

In this #1 New York Times bestselling thriller from Tom Clancy, Jack Ryan gets caught in a war between the United States and a Colombian drug cartel and uncovers a shocking conspiracy.