Wednesdays News at a glance: Flawed e-cigarette formaldehyde paper should be retracted – Does This Study Prove That Vaping Is a Gateway to Smoking? – Ask the Dentist: The benefits of changing to e-cigs – City council approves vaping exemption for e-cig shops – How The FDA Is Helping Big Tobacco – Why Public Advocates Care More About Heroin Addicts Than Smokers – Nicotine Science and Policy – Daily Digest