The holiday season in downtown Roseburg will officially begin with the Nov. 25 Christmas tree lighting ceremony on the front lawn of the Douglas County Courthouse. The festivities will kick off at 5:30 p.m. at 1036 S.E. Douglas Ave., Roseburg. A live nativity scene with carolers can be seen prior to the ceremony at 4:45 p.m. across the street at the First Christian Church, 432 S.E. Kane St. A highlight of the evening will be the arrival of Santa Claus. Santa enters the scene in a different way each year, challenging the crowd to guess how he will make his …