A 26-year-old Uber driver from Providence was charged Friday with trying to impersonate a social worker to sign out a female student from Portsmouth High School, according to the Portsmouth Police Department.According to a news release from Detective Lt. Michael C. Arnold, at about 10:30 a.m. on Oct. 13, a man "later identified as Armando Hernandez had entered the front lobby of the school and attempted to sign out a female student."Hernandez, 26, of 103 Wesleyan Ave., [...]