1: Varies order in command? That's debatable (13)
8: Tapping the rear of fashion model (7)
10: Outfit wins Tet Offensive (7)
11: Called oriental area (5)
13: A single AA battery produces no pain (9)
15: Half of them should have had an idea (7)
16: One who scans game piece (7)
18: Dead in place of rest, but not soon enough. (7)
20: Nunn completes more circuits than Gore coming around Canary Island seaport (3,6)
22: Very loud intrusion spoiled its cross words (5)
24: Blamed and nailed copper, scam's leader on the inside (7)
25: It involves, initially, my intention to fake right, perhaps? (7)
27: Something good made by dwarf barber, perhaps! (6,7)