WINSTON — It has been a tough decade for the Douglas High School boys basketball program. While the Trojans’ football and baseball teams have enjoyed their share of success at the Class 4A level, the same can’t be said on the basketball court. The Douglas boys will finish with their 11th straight losing season and have won only 16 Far West League games during that span. Brad Cavens, a 1983 Roseburg High graduate, is in his fourth year as the Douglas head coach. The Trojans are 1-20 overall and 0-8 in Far West play following Friday’s 61-33 loss to South …