Sources

http://www.gizmag.com/can-botox-stunt-your-emotional-expression/14031/

http://www.opednews.com/articles/A-Day-of-U-S--Credibility-by-William-Boardman-Government_Intelli
gence_International_Message-130911-92.html

http://imconfident.wordpress.com/2013/04/