How Puff Bar Became the Most Popular Vape for Kids

Last year, the FDA cracked down on flavored vapes in hopes of combatting a rise in teen vaping. But thanks to a loophole in the FDA's rule, sweet, fruity flavors are still around. WSJ's Jennifer Maloney details how a product called Puff Bar has become the top-selling vape among kids. Learn more about your ad choices. Visit megaphone.fm/adchoices