The Date of Black Christmas

CNN's John Sutter looks at a new book about the birther movement. He says it was fueled in part by fear that Barack Obama wasn't eligible to be president. The author also discusses how conspiracy theories have been around for some time, but now are being picked up on more and more. READ: 'The Birther' is an awful lot of like-minded people who don't agree with each other or see things differently,' writes Sutter.