As public health agencies and lawmakers called for consumers to possibly stop using e-cigarettes after reports of vaping related illnesses, vapor product advocates, former FDA chief Scott Gottlieb and some in the media point to conflicting statements from FDA and the Centers for Disease Control and Prevention (CDC) on whether vaping liquids or e-cigarettes are contributing to the illnesses. CDC Director Robert Redfield on Friday tweeted that e-cigarette users should consider not using e-cigarette products while the investigation is ongoing,...