Facebook April 2, 2018 8:49 am Mark Zuckerberg Fires Back at Tim Cook Mark Zuckerberg has fired back at Tim Cook after the Apple CEO criticized Facebook amid its scandal surrounding its data practices. Scott Budman reports. US & World Videos 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 1:17 Patriots player visits Franciscan Children's Hospital 5:54 Pro-Palestinian protest taking over college campuses 2:47 AI pharmacist? Brigham testing new tech to assist docs, pharmacists 1:39 Patriots superfan slams Tom Brady's ‘crap autograph'