"As scholars have known for some time, officials and decision-makers are typically reluctant to abandon long-held beliefs or theories about the world around them.2 When most officials are confronted with new information or data that challenges their worldview, they are likely to try to ignore it, dismiss it, or fit it into their existing notions and theories about how the world works. This kind of cognitive bias—known as confirmation bias—can have disastrous consequences for international security and of course for U.S. foreign policy, often because it can make officials blind to gathering storm clouds.3"
Now look in a mirror, Dr. Deni.