"Inspired by true events ... But be aware ... This is NOT a history lesson." So begins each episode of the second season of “SAS: Rogue Heroes,” which aired earlier this year. The British series, which aired as “Rogue Heroes” in the United States, is an ambitious retelling of the creation and legacy of the British Army’s elite Special Air Service during World War II, and it may just be the best military series available right now due to its electrifying take on history, raucous soundtrack and