AUDREY CONKLIN REPORTER   Juul Chief Executive Kevin Burns has stepped down and been replaced by tobacco company Altria Chief Growth Officer K.C. Crosthwaite. The decision comes as e-cigarette companies face backlash over possible safety concerns after a total of nine people have died in the U.S. in connection to a vaping-related illness. University of … Continue reading Juul Chief Executive Kevin Burns Steps Down — Tobacco Exec K.C. Crosthwaite Takes His Place