Article on the Obama women:
http://www.guardian.co.uk/world/2008/nov/07/barackobama-women
History of food stamp program in the U.S.:
http://en.wikipedia.org/wiki/Supplemental_Nutrition_Assistance_Program
Interview with the (alleged) half sister. Won’t even give her date of birth:
http://www.guardian.co.uk/world/2006/nov/16/usa.hannahpool