On Bush's favorite Palestinian: "...as Mahmoud Abbas mounts his bid to become Arafat's successor. He makes an appearance in "Cain's Field." Mr. Rees describes his showy mansion in Gaza, "surrounded incongruously by rubble-strewn sandlots" where his bodyguards lounge in the shade. "I spit on the day they came from Tunis,"' a Palestinian tells Mr. Rees as he stands in line at the U.N. Food Distribution Center. "'I'd like to see them all shot in the street."'"