I think this administration will probably be known for the decisions that they made that were avoidable. Very frequently the best decisions presidents make are decisions to not make decisions.
Did the jewelry you're wearing right now help finance al-Qaeda's September 11th attacks on America? Unlikely as that seems, it is possible, as we read in Washington Post reporter Douglas Farah's book. Farah was the Post's bureau chief in West Africa in 2001, and uncovered a link between terrorist groups and the west African gem trade.