Here are some of the other threads about this issue so far:

http://forum.lowcarber.org/showthread.php?t=160227
http://forum.lowcarber.org/showthread.php?t=160707
http://forum.lowcarber.org/showthread.php?t=160359
http://forum.lowcarber.org/showthread.php?t=160868



BTW, seems like it all started with an article in NY Times that Atkins reps later have condemned as untruthful (official statement at www.atkins.com.)