-It ain\'t so much the things we don\'t know that get us into trouble, - nineteenth-century humorist Josh Billings remarked. -It\'s the things we know that just ain\'t so.- In this bold New York Times bestseller, acclaimed author and talk-radio host. -It ain\'t so much the things we don\'t know that get us into trouble, - nineteenth-century humorist Josh Billings remarked