http://www.npr.org/sections/money/2012/07/13/156737801/the-cost-of-free-doughnuts-70-years-of-regret
http://www.slate.com/articles/news_and_politics/explainer/2006/09/the_business_of_blood.html
http://www.huffingtonpost.com/2015/06/04/red-cross-haiti-report_n_7511080.html
http://www.npr.org/sections/money/2012/07/13/156737801/the-cost-of-free-doughnuts-70-years-of-regret
http://www.slate.com/articles/news_and_politics/explainer/2006/09/the_business_of_blood.html
http://www.huffingtonpost.com/2015/06/04/red-cross-haiti-report_n_7511080.html