Why we believe conspiracy theories

It's hard to remember a time when conspiracy theories and the people who believe them have been more public or numerous than they are now. A growing number of Americans believe some pretty wild things, and it’s nearly impossible for a conspiracy theorist to change their mind about their beliefs. So why do we believe conspiracy theories? Dr. John Grohol, psychologist and found of Psych Central joins KYW Newsradio In Depth to talk about the science behind why we put so much stock in out-there theories, how 'belief perseverance' allows people to ignore evidence, and the role the pandemic has played in strengthening belief in conspiracy theories.