Vetting Obama would constitute racial bias, so the FBI was strictly hands off.
All George Soros had to know about B.O. in order to hand-pick him was that at least one of his parents was a closet commie, that his other parent was a foreigner, that he lived in a Muslim country, that he attended a muslim school, that he changed his name to a muslim name, that he associated with domestic terrorists, that he learned thug politics from the Chicago school of thuggery, that he was black(free from attack), that he despised the United States, that he despised the military, that he favors total gun control, that he favors other countries over the U.S., that he has no use for patriotism, that he will do anything George Soros wants!