Facebook CEO Mark Zuckerberg has said he "is sure" that foreign bodies will try to exploit his platform during the 2018 U.S. midterm elections in the same fashion as the presidential ballots two years ago: spreading propaganda and sowing division. The social networking giant was thrust into crisis this week following the Cambridge Analytica data misuse scandal, forcing the founder of the California-based website to address the allegation that 50 million profiles were harvested back in 2014. Trending: When Will the Golden State Warriors Have Their Stars Back From Injury?