ATHENS( Reuters)-Roman Catholics in mainly Orthodox Greece are preparing excitedly for a visit by Pope Francis that they hope will help bring Eastern and Western Christianity closer together. Francis will visit Greece on Dec.... " The fact that he himself is coming to Greece when it's predominantly an Orthodox country is something very big for us and we just can't wait," said Mary Katherine Binibini, 24, a member of a Catholic youth group.... A large mass is planned on Sunday at the Megaro Mou