NEW YORK -- A Queens man was charged Saturday with murdering his live-in girlfriend, the latest twist in a week-long mystery that began when the slain woman's 4-year-old daughter was found walking alone down a Queens street in the middle of the night, police said. Cesar Ascarrunz, 32, was arrested on murder charges two days after he was picked up by investigators, police said. The body of his alleged victim, 26-year-old Monica Lozada, was not recovered, police said. Investigators were led to Ascarrunz by a dozen tips that came in from the public after 4-year-old Valerie Lozada appeared on television...