. >> the dark side of the personal finance industry with helene olen on c-span2 and look for more booktv on line. like us on facebook. >> and now ricardo cortes talk about attempts to prohibit the use of coffee and coca in the u.s. and around the world. ricardo cortes describe secret deals made by top u.s. anti-drug official perry andsolyndra to keep the coca-cola co. supplied with coca looking to ban its use worldwide. this is a little over an hour. >> tonight we have pleased to welcome ricardo cortes to discuss his latest book "a secret history of coffee, coca and cola," a tale of coffee, coca, coca-cola, secret formulas, special flavors, special favors and the future of prohibition. ricardo cortes is creator and illustrator of a series of subversive books for all ages but mostly all ages about such things as marijuana, bombing and the jamaican bobsled team. his latest book examines a series of highly addictive substances that have caused many deaths and fuelled much profit in how they make their way into the u.s. and what the u.s. government's role has been in ensuring they come into