Gateway to addiction? A survey of popular electronic cigarette manufacturers and targeted marketing to youthA report written by the staff of Senator Richard J. Durbin (D-IL), Representative Henry A. Waxman (D-CA), Senators Tom Harkin (D-IA), John D. Rockefeller IV (D-WV), Richard Blumenthal (D-CT), Edward J. Markey (D-MA), Sherrod Brown (D-OH), Jack Reid (D-RI), Barbara Boxer (D-CA), Jeff Merkley (D-OR), and Representative Frank Pallone Jr.(-NJ). April 14, 2014