Traditional cigarette smoking in America has dropped to historic lows, and it looks like electronic cigarettes could be helping. As “vaping” grows in popularity, studies have shown that the habit encourages adult smokers to quit the older, nastier version.
But there’s a big problem—teenagers. And they’re making the entire e-cigarette phenomenon a regulatory nightmare. [...] e-cigs are serving as a gateway for those youth who don’t already smoke cigarettes. [...]