-- Back-to-back weekends of shootings have left community leaders bewildered and angry over senseless violence they say plagues neighborhoods in the southern part of the city. The recent spate of violence includes Friday's fatal shooting of Jade Saunders, a 17-year-old Lincoln High School student, and a Sunday morning gunfire that left a 20-year-old woman and 2-year-old boy hospitalized, authorities said. "I am outraged by the senseless murder of a young queen whose life was just beginning to bloom and that of a 2-year-old could not be protected from gun violence," said Pamela Johnson, the director of the Jersey City Anti-Violence...