Scott Gottlieb listens during a House Oversight and Investigations Subcommittee hearing in Washington, D.C., U.S.. (Photographer: Toya Sarno Jordan/Bloomberg)

FDA Chief to Keep Heat on E-Cigarette Makers as He Departs

(Bloomberg) -- With weeks to go in his tenure atop the U.S. Food and Drug Administration, Scott Gottlieb squared off with two companies at the center of his efforts to halt a surge in teen vaping.