Cryptic crossword No 2,969

Across

1. A point that's relevant (3)
2. Addition of (essentially) ten + ten + ten + ten + ten + (finally) ten (9)
3. Artist drinking bit of pint and spilling the rest in study (5)
4. Performers are spinning about in orbs outdoors (10)
5. So poorly detailed (3)
6. Futility of parsimony, pinching singles putting opener at the wrong end (15)
7. Brutal critique of Shakespeare?  (2,2,5)
8. Something emerging one thousand years after plea quietly ignored (7)
9. Super active kitty (5)
10. Old chestnuts from top of compiler’s cryptic shortlist including “revolutionary” (7)
11. Sexist regularly airing loathsome, nasty rot (10)
12. Refusal to serve by GI using a bit of Latino candour (2,3,2)
13. Awe inspiring Rolls-Royce - one desirable automobile! (7)

Down

1. Long line after end of film advanced (8,6)
2. A pound: something charged in Britain (6)
3. Lack of coherence in press about criminal cases of extortion and conspiracy (13)
4. Republican President of the United States knocked out in coma (6)
5. Ability to endure lone pursuit (8)
6. A halfpipe is my freestyle game (5,8)
7. Scene of carnage as violence arises following a strike (8)
8. Dish one served up in Scottish town, following starter of broth (7)
9. Best jail, it’s said, for an easy time (6)
10. Steal someone's dog for a bit (7)
11. Dissent in this place is ultimately deadly (6)
12. Wet and snowy outside - message boyfriend, "I need Prince Charming!"  (8,6)