The Fixer by Joseph Finder Dutton/Penguin/Random House, $28.00, 375 pages, ISBN 978-0-525-95461-3 Do you remember a public works scheme called The Central Artery/Tunnel Project? It was started in 1982 and completed on the last day of December 2007. It was projected to cost 2.8 billion dollars, the final tab amounted to some 14.6 billon and will ultimately cost the taxpayers about 22 billion after interest on the bonds is