http://americanprofile.com/articles/was-sean-berdy-born-deaf/
http://www.deafchildworldwide.info/childhood_deafness/causes_of.html
http://www.cbc.ca/news/entertainment/stephen-colbert-late-show-5-facts-1.3215577
http://seanberdy.tumblr.com
http://www.outmedia.org/whoopigoldberg/