The disclosure of millions of once-secret tobacco industry documents — which are now readily searchable online — has opened a window into Senate Majority Leader Mitch McConnell's interactions with tobacco executives and lobbyists.
Alvaro Tapia Hidalgo for NPR
Senate Majority Leader Mitch McConnell, R-Ky., said he was spurred to act because of an "unprecedented spike" in the number of teenagers who were vaping, or smoking e-cigarettes.
J. Scott Applewhite/AP
Philip Morris' iQOS device heats tobacco but stops short of burning it, an approach the company says reduces exposure to tar and other toxic byproducts of burning cigarettes.
Philip Morris via AP