In Len Deighton's second novel of the classic spy trilogy, “Faith, Hope, Charity,” Bernard Samson is trying to readjust his life after his wife, Fiona, defected to the East. As the Berlin Wall begins to crumble, loyalties seem to change along with the freezing wind. Caught between his job and his ethics, his past and his future, and the two women he loves, Samson embarks on his most sensational mission yet, from rural Poland to London Central....