Accounting for certain breast cancer walks has been criticized by one author as providing misleading information. Read the article entitled "The Avon and Komen Breast Cancer Walks: Case Studies in Questionable Special Events Reporting" at http://aaahq.org/GNP/information/activities/2007MYM/Session10_Tinkelman.pdf (last accessed 5/28/09) and discuss whether you believe the author is correct or incorrect in his criticism of the walks' costs.