Evidence on insects likely to continueTrial winding down; closing statements may be this week By Alex RothUNION-TRIBUNE STAFF WRITERJuly 28, 2002Expect to hear more evidence about insects as the David Westerfield trial enters what could be the final week of testimony before jury deliberations. On Tuesday, prosecutors are scheduled to call Dr. M. Lee Goff of the University of Hawaii as their final rebuttal witness in a trial that has lasted 23 court days. Goff is a forensic entomologist and the author of "A Fly for the Prosecution: How Insect Evidence Helps Solve Crimes."Whether Goff will be the final insect...