A TIMES BEST NEW CRIME FICTION OF THE MONTH Jim Brennan is flying high. Against all odds, he is a big man at the university, tipped for the head job and an office at the top of the ivory tower. He has a beautiful, accomplished wife and two healthy children. Jim drives an Audi, and his dog is a pedigree bichon frisé. Not bad for the son of a hardman who grew up in a…