He has been pretending that people said things to him in interviews (embellished with his usual flaccid prose) when in fact they didn't - they may (or may not) have written them down.
www.telegraph.co.uk/technology/twitter/8604315/Johann-Hari-left-wing-commentator-in-plagiarism-row.html
Yet another journalist has been exposed for the immoral drivel they churn out. There are some most amusing parodies
www.washingtonpost.com/blogs/blogpost/post/johann-hari-denies-he-plagiarized-during-interviewsbyhari/2011/06/28/AGGk0ApH_blog.html
Of course, the slimy Polly Toynbee couldn't wait to rush to his defence, seemingly on the grounds that he writes for a left-wing newspaper:
twitter.com/#!/pollytoynbee/status/85712783164968961