In the Introduction to his excellent book, Insiders Reveal Secret Space Programs & Extraterrestrial Alliances (2015). Dr. Michael Salla qualified the demand by famed Astronomer Carl Sagan that "extraordinary claims
require extraordinary evidence" with a corollary to that doctrine as it applies to Secret Space Program whistleblowers.
Gerald Celente is famous for predicting that currency wars lead to trade wars which lead to shooting wars. That's the pattern that preceded both world wars of the 20th century and that's what we have now.
In fact, one can make the argument that it is all one Long War like Dick Cheney predicted or that it is a continuation of the Crusades that Bush, Jr. let slip once soon after 9/11.