Cryptic crossword No 2,918

Across

1. Smear heading off discharged duke’s claim to underground wealth (3,7)
2. One Republican – said to dominate workers on Tuesdays, naked – gets summons (12)
3. Not the first assistant detective to twist story (5)
4. Crazy Irish nut-job, spilling bits of orange juice – frightfully foreign! (2-7)
5. Chomsky’s ultimate, headless arse – flipping toff! – and gets American prize, on perennial basis, unearned (4-3,5)
6. On fronts of many awfully garish accessories (4)
7. Ally supporting with entrances (and exits, nowadays)? (5)
8. Arrests police officers? (4)
9. Johnny English? A decent sort (5)
10. Misguided silliness resulting in infections (9)
11. Lawson and Gordon? Rampant leeches, and famously best chums, at first (5,5)
12. Tea parties can be riotous events (3,6)
13. Exotic seamaid, captured by heartless lesbian, becomes lady-killer (6,3)
14. Flora’s endlessly sick in half-term break (5)

Down

1. Bullshitter retracts abuse (4)
2. Scheme involving conservative entering upper chamber, with Starmer’s second becoming leader (6)
3. “Pleasurably Tory” – bewilderingly, it’s confirmed now (4,6,5)
4. From the SOUTH? Hiding out IN AMERICA?? OUTRAGE!! (3)
5. Touch, au naturel, having had drop of gin (5)
6. American icon chewed bagel containing lead, alarmingly (4,5)
7. Regularly demonised centrist got hotties in late nights (9)
8. Bloke claiming things were better in distant era (6)
9. Overlooks old hands painting over Trump’s crown (5)
10. Head-to-toe fraud, abroad with Adele, pulls Australian, gets end away, and bags a bargain (7,3,1,4)
11. Snip “muscle” that tightens, removing tip for $100? (6)
12. Torturer bumps off Democrat (and Independent!) for ninety essentially? Most reasonable! (6)
13. A game taking minutes escalates to generate multipliers (6)
14. Tice losing face as so-called immigration authority (3)
15. Ailing principality sounding like bossy Italian (2,4)
16. Drain off bond? (4)