An ashtray full of cigarette butts is shown in Omaha, Neb., in this March 28, 2007 file photo. More work needs to be done to keep young Americans from using tobacco, including creating smoking bans and increasing taxes on tobacco products to deter youth, the U.S. Surgeon General's office said in a report released Thursday March 7, 2012. (AP Photo/Nati Harnik, File)
Read the article: Surgeon General: Do more to stop youth tobacco use
