Just to add to the dig, when Ann was in Pakistan Barry visited for a few months. This on top of the trip with the college buddies.
http://archive.indianexpress.com/news/obamas-mother-may-have-spent-5-years-in-pakistan/356869/
"Ann Dunham lived in Pakistan for five years. During this time, Barack Obama also visited his mother and stayed for a few months. Ann Dunham was hired as a consultant by the Asian Development Bank for Pakistan's Agricultural Development Bank's Gujranwala Agricultural Development Programme. This programme began in 1987 and ended in 1992," the report said.