1: A sample makes sense (5)
2: Lion's leader publicizes dens (5)
3: Snagged woman with an impeccable reference (7)
4: Brando rinsing out identification tools (8,5)
5: Extremely tense many times about a private conversation (4-1-4)
6: Over 24 hours, Parisian street may feel remorse (3,3,3)
8: State that may be so ideal for sap (5,8)
9: Miserable raise follows poor grade (5)
12: Naughty pedestrian sounds Scotch? (9)
13: About to get together in call to mind (9)
15: Douglas, initially tough, is knocked out (7)
16: Create an impression on an envelope? (5)
19: Give in and offer up (5)
20: A revolutionary New England state or an Indian state (5)