DURHAM - If three Duke University lacrosse players face a jury this spring, defense attorneys likely will take aim at Sgt. Mark Gottlieb, the Durham police officer who supervised the investigation into the March 13 party at which an escort service dancer says she was raped. The 43-year-old detective could be the prosecution's most important witness aside from the dancer herself. In recent weeks, an attorney for one of the lacrosse players questioned the plausibility of Gottlieb's case notes, provided to the defense as evidence. Attorneys also have criticized Gottlieb for not following the Durham Police Department's guidelines in a...