This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Attorney Brent Wisner says that Monsanto did a study in 1999 and that the study suggested that Roundup may cause cancer. Wisner claims Monsanto buried this study. ShareTweet
