Rolling Stone sparks new scrutiny after Sean Penn interview with 'El Chapo'

By Elizabeth Dilts NEW YORK (Reuters) - Rolling Stone magazine, heavily criticized for a now-debunked 2014 story describing a fraternity gang rape, is attracting new scrutiny after it published an interview by actor Sean Penn with Mexican drug lord Joaquin "El Chapo" Guzman.   Penn met Guzman in a jungle in central Mexico in October for the interview, several months after the head of the Sinaloa drug cartel escaped from a high-security Mexican prison in July. The Hollywood star called it "t