As far as Israeli officials are concerned, Mordechai Vanunu has done too much talking. The former nuclear technician made global headlines last October when he allegedly told the London Sunday Times that Israel had built and stockpiled 100 nuclear weapons. Then, while in Israeli custody last December, two months after he vanished from London, Vanunu flashed a message written on his hand through a police-van window saying he had been abducted in Rome, presumably by Israeli agents.
When Vanunu's trial for treason and espionage began last week, officials tried to shut him up. He arrived at court each day in a...