The co-founder of fact-checking website Snopes has apologized for plagiarizing more than 50 articles and writing under a fake name. David Mikkelson, a computer science graduate who founded the site in 1994, blamed the behavior on a lack of journalistic training. 'I didn't come from a journalism background,' he said. 'I wasn't used to doing news aggregation. A number of times I crossed the line to where it was copyright infringement. I own that.' Following an investigation by BuzzFeed News, he is no longer allowed to publish articles on the page - although he retains his position as chief executive....