A Wantage dairy farmer has become the first Sussex County farmer -- and only the fourth ever from New Jersey -- to be named a winner in the 49th annual National Outstanding Young Farmer competition. He also is the first dairy farmer in New Jersey to win the award, said Lynne Richmond, a spokeswoman with the New Jersey Department of Agriculture. "The recognition means a lot to me. I was just happy to be there," said Jeff VanderGroef, who operates the 337-acre Havendale Farm, one of the largest dairy farms in New Jersey. VanderGroef, 37, received the New Jersey 2005...