Cryptic crossword No 3,422

Across

1. Picked up tongue, perhaps, to find spirits (6)
2. Drug support group accepting onset of natural justice following conclusion of meeting (5)
3. Slept a bit with ultimate character - following too much in retrospect (5)
4. Kindle's best when listened to (5)
5. Stay away from revolting oxygen-thieving prima donna (5)
6. Hoping to kick final drug (7)
7. One elected leader of modern Scottish town full of love (5)
8. According to Spooner, line-up for coats leads to outdoor restrictions (6)
9. Old Americans from Arizona taught extremely common scientific principles (6)
10. Ten splitting first-class honour, in principle (5)
11. Quotation expressing resistance to bar (6)
12. Trapeze artist's opening scrapped - manipulated student into twisted shape (7)
13. One time payment reduced, leading to praise (5)
14. Second-rate tops from Etsy surpass Topshop's seasonal tops (5)
15. Lived in a hotel that was flooded (5)
16. Sailor exposed, relocated higher up (5)
17. Gas fire made by hand originally sold to German (5)
18. Amusement leading US solder to mushrooms (5)
19. State knowledge dismissing crown may upset (5)
20. We caught peeping Tom earlier (5)
21. Very heavy costumes king took off before beginning to eat (5)
22. Fellow in water source turning very shaky (7)
23. Heartless PM seizing European boat (7)

Down

1. Piece of risque entertainment (5)
2. Book's latest advanced copies captivating female author (5)
3. Top horse at Cheltenham? (6)
4. Make a big deal out of balls with party afterwards (6)
5. Swelling in wet dream was oddly lacking (5)
6. Hate act amendment becomes official (7)
7. Raise vessel to get top prize (7)
8. Government and previous ruler informally embraced tons of fanfare (5)
9. Brief attempt to stop runs (5)
10. Catalyst from Zambia engaged in enemy destruction (6)
11. Referendum options in Germany, eliminating drug that's a silent killer (5)
12. We heard old PM's trumpet (5)
13. President in error - wife left to make a point (5)
14. Song's abridged sample rocks! (5)
15. Rainbow starters, green and blue omitted and confused with something close to white? (5)
16. Device for detecting rights protecting Americans across Germany (5)
17. Former pupil observed and followed (6)
18. Amend mix as specified (5)
19. Foolish chap is harassing guards (5)
20. Give retiring doctor on leave a year off (5)
21. Besides forgetting answer, it's great (5)
22. Not working out with unknown boxing very strong old copper (3-4)
23. Travelling via bus unnecessary, essentially obscene (7)