CAMP LEJEUNE, N.C. - A 20-year-old pregnant Marine who was expected to testify about something she witnessed on base has been missing since mid-December, authorities said. The Marine Corps said Wednesday it is cooperating fully with the Onslow County Sheriff's Office in the disappearance of Lance Cpl. Maria Lauterbach, who is about eight months pregnant. The sheriff's office has said Lauterbach's mother reported that her daughter was supposed to testify about an on-base incident. "There are several findings and pieces of evidence that have been discovered that cause law enforcement to be concerned with the circumstances surrounding Maria's disappearance," the...