By SARA VANDEN BERGE The Stephenville Downtown Merchants is ringing in the Christmas shopping season with a holiday open house from 5:30-8:30 p.m. on Friday, Nov. 13. The festive event will include refreshments, entertainment, and of course, the chance to do lots of shopping. New this year is the official lighting of the Erath County Courthouse taking place at 6:45 p.m. James Kimbel, with Scott’s Flowers on the Square, said the iconic downtown retailer is ready for