Molecular Damage   Shawn Dirks says he couldn't wait to report
for duty. After months of training, February 17, 2001, would
mark the first time that Dirks would be patrolling alone as a
rookie officer with the Phoenix Police Department.  That night,
a Saturday, 42-year-old Lori Levinson was out on a date that
ended badly at about midnight.  Three hours into his shift,
about 1 a.m., the 25-year-old officer came upon Levinson in her
Honda SUV at the intersection of 21st Street and Chandler
Boulevard in Ahwatukee. He arrested her for drunken driving.  An
hour later, as they pulled into the police station, Levinson
accused Dirks of forcing her to have anal sex during the traffic
stop.  Dirks said then -- and he continues to insist to this day
-- that he did nothing of the sort.  But three years later, the
repercussions of whatever did happen on that chilly February
night still are being felt.  Shawn Dirks lost his career.  Lori
Levinson says she's been plagued by continuing mental problems
and alcoholism.  Dirks,