In revelations which could strike a devastating blow to the controversial politician's hopes of joining the 2012 presidential race, Mrs Palin is said to have taken the class A drug with her husband, while smoking marijuana at college in secret liaisons with one of her professors. Sarah Palin snorted cocaine off a 55 gallon oil drum while snowmobiling with friends and had illicit affairs with a top NBA star and one of her husband's business partners, a new book sensationally claims. Claims: A new book alleges Sarah Palin has taken cocaine in the past and had a six-month affair with a former business partner of her husband Todd