Vital Lies Mysterious Book Report No. 479 by John Dwaine McKenna Vital Lies, (Thomas & Mercer, $24.95, 404 pages, ISBN 978-1-5420-3104-2), by  award-winning screen-writer, producer and author Daniel Pyne is a spy-thriller that begins with a flashback to December 3, 1990.  In East Berlin, at the Hohenschönhausen Prison, a young twenty year-old American woman named Aubrey Sentro stumbles toward freedom after being imprisoned and tortured for more than a