Believe It or Not, Adult Coloring Books Are All the Rage! [VIDEO]

We read today people are buying coloring books created for adults by the MILLIONS! On Amazon.com they've been both the No.1 AND No. 2 fastest-selling items. We can believe they're popular, but best-selling? Really? So we opened the phone lines and invited callers to weigh in. You won't believe what happened next: