The chairwoman of a new advisory committee on sex education for Montgomery County public schools said her panel will not hold substantive meetings until school officials devise a curriculum that can be reviewed. The schools "have said what our job is, and that is to advise. Once there is a curriculum, we can do that," said Carol Plotsky, medical staff president at Shady Grove Hospital and advisory committee chairwoman. Dr. Plotsky's 15-member panel was scheduled to meet last night. The school system plans to deliver a new curriculum to the committee in March. Last year, the previous 27-member committee created...