Journalist Simcha Jacobovici believes that the nails discovered in a Jerusalem cave are revolutionary in their implications regarding the birth of Christianity. The Peace Forest is a small grove of pines sandwiched between the Abu Tor neighborhood and main promenade in Jerusalem. Anyone walking along the road that snakes through the grove can see a green pipe rising from the ground and reaching a height of several meters. This pipe, if journalist Simcha Jacobovici is to be believed, this is the physical tip of an archaeological detective story in the style of the Da Vinci Code. And this pipe is...