“why and how an American college student would have visited Pakistan at that time and what he would have done there.”
Tin Foil attack: Jihad training camp? http://www.youtube.com/watch?v=gcdmlB4VOOs
OK, maybe they planned to insert a mole into the government by grooming BO for high office?
We will know if he chooses to be sworn in on a Koran.
1. His mother was working in Pakistan at this time. Presumably he visited her.
2. His college roommate came from Pakistan. IIRC Obama and roommate visited the roommate's family.