A former Hunterdon County school official pleaded guilty yesterday to embezzling more than $90,000 from Delaware Valley Regional High School, saying he stole most of the money from the cafeteria. Robert P. Walsh, 43, of Forks Township, Pa., admitted in federal court in Camden that he committed the crime from 2005 to 2007 while he served as the school's business administrator and then superintendent, authorities said. "This was a top school official, well-compensated, whose charge and duty was to protect the interests of the school district and its students," Acting U.S. Attorney Ralph J. Marra said. "Instead, he acted as...