The family of a missing Princeton University student called for more urgency in the search efforts Thursday, nearly a week after her disappearance. Misrach Ewunetie, 20, was last seen around 3 a.m. Friday on the New Jersey university’s campus. “We can take any help we can find,” her brother, Universe Ewunetie, said in an interview that aired Thursday on ABC’s “Good Morning America.” “We just want the law to be faster because time is of the essence.” Misrach went missing shortly after returning home from a Thursday night event with the Princeton Terrace Club where she was a volunteer, her famil…