Nearly 90 million Americans are smokers or former smokers. But the number of adults smoking traditional cigarettes is on the decline. Causes include tax hikes, smoking bans, health concerns and social stigma. Tobacco companies and others have taken notice: electronic cigarettes have become a booming business, and new research is being done to drastically lower nicotine levels in regular cigarettes. Many think these new developments could save thousands of lives, while others worry they provide a false sense of security and want the Food and Drug Administration to step in soon with new regulations on nicotine. Diane and her guests discuss the latest trends in smoking in America today.