In February, Battle Rattle pitched in and helped Staff Sgt. Matthew Hansen win a contest that named a NASCAR race in honor him and his late twin brother. It’s time to play catch-up with that story. The Matthew and Daniel Hansen 400 was held Saturday in Richmond, Va., bringing attention to the ultimate sacrifice made by Sgt. Daniel Hansen, who was killed two years ago in Farah province, Afghanistan, when his foot patrol was hit by an improvised explosive device. He was posthumously promoted to staff sergeant. The race was won by Kyle Busch, but as several dispatches from Richmond…