Last week President Joe Biden signed legislation that allows the Food and Drug Administration to regulate synthetic nicotine, used in vape products popular among teens. Kentucky advocacy groups say the state's high level of vape product use among young people is setting the stage for a serious public health crisis. E-cigarettes or vapes typically contain as much or more nicotine than traditional cigarettes, but until now manufacturers have skirted government regulations by using a synthetic version of the chemical. ...