BTW: A weekly collection of stories and observations about the Dallas Cowboys.FRISCO -- On Thanksgiving, Cowboys rookie cornerback Anthony Brown was burned on a 67-yard scoring pass from Washington quarterback Kirk Cousins to DeSean Jackson in the fourth quarter.Brown lamented his mistake afterward, taking responsibility, saying it's not in his character and refusing to use the rookie excuse."I was so disgusted with myself," he said.Veteran cornerback Orlando Scandrick ventured that Brown had learned his lesson and the same mistake isn't likely to be repeated.