Cryptic crossword No 4,037

Across

1. Working in Nigerian city's pools (7)
2. Meddle with something inside joint (8)
3. Sporting event recorded in laserdisc IP my lover rejected (8)
4. Bleating about a graduate (a bastard in retrospect) (3-3)
5. Corrupt town in Eastern America flogs weak whiskey first (10)
6. Is French boatswain rejected for honours? (7)
7. Old PM's exciting romance (7)
8. Evil character acting in bit part (4)
9. Anglia Tory working for Rotary... (10)
10. Spooner's named a river and another body of water (4,3)
11. ...Clubs' lawyer with almost total hatred losing right to be redeployed: step aside! (5,3,3)
12. Deplored hearing Curt (4)
13. Crawls home, extracting 2/3rds of energy from cheddar? (6)

Down

1. Public arbitration limits sugar? (4)
2. Last month a river delta discharged crabs and lobsters, among other things (8)
3. Take car for person assisting the Beach Boys, perhaps? (6)
4. More awesome power lost when Liberal takes over, becoming more prone to leaks (8)
5. Low noises heard as Dr No married old love (3-3)
6. Mario's gang made up ways to examine plumbing (10)
7. Cool a kangaroo's enclosure for oily fish (7)
8. Conservatives switching central position after key state gets correspondents' stations (11)
9. Alto, tenor, bass! (6,4)
10. Mrs Tarzan's in conversation with member expressing religious belief (7)
11. Got to hurt again (7)
12. Huxley's drug has prophet coming up (4)
13. Model Sophie lifting canvas left overlapping flowers (7)