According to Assistant Police Chief Tommy Nelson, the Greensboro Police Department and the Greensboro City Council have imposed a curfew for youths under 18.Nelson said the measure aims to improve the safety and well-being of Greensboro youth and the community at large.Curfew hours begin at 10 p.m. on Sunday through Thursday and end at 6 a.m., and they begin at 11 p.m. on Friday a...