Actor Sean Penn (L) shakes hands with Mexican drug lord Joaquin “Chapo” Guzman in Mexico, in this undated Rolling Stone handout photo obtained by Reuters on January 10, 2016. The photo was taken for authentication purposes. REUTERS/Rolling Stone/Handout via Reuters ATTENTION EDITORS – THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE. MANDATORY CREDIT. WATERMARK ADDED AT SOURCE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. TPX IMAGES OF THE DAY – RTX21R5P Actor Sean Penn (L) shakes hands with Mexican drug lord Joaquin “Chapo” Guzman in Mexico, in this undated Rolling Stone handout photo obtained by Reuters on January 10, 2016. The photo was taken for authentication purposes. REUTERS/Rolling Stone/Handout via Reuters