Thank you for using the Jiskha Homework Help Forum. I'm sure there will be changes but here's what I find on recent changes:
2. (2007): http://www.newyorker.com/reporting/2007/03/05/070305fa_fact_hersh
3. (you can read the Abstract without purchasing the article itself): http://www.stormingmedia.us/41/4171/A417134.html
Be sure to skip the ads at the top and go through the different posts linked below. Many of them had your identical question.