Cryptic crossword No 2,664

Across

1. Hill retreats for a traveller (5)
2. Faced up to account and estimated outgoings (8)
3. Agents with intelligence seeing US in a mess (8)
4. Perhaps one attending The Crucible sees shot taken on by O'Sullivan? (8)
5. Saw publicity campaign takes time (5)
6. Catnip's trailing policeman for a small sum (4)
7. Slip up and get a job (6)
8. Not a chance leaders of administration stop insulting foreigners! (2,2)
9. Someone whose medical problem is comparatively upsetting around start of night? (6)
10. Pointless thematic reaction to a disappointing draw at Scrabble? (6)
11. Someone who wrote a ridiculous amount, omitting nothing (5)
12. Miss where to put rubbish (4)
13. Nasty people out of TV show right away (6)
14. Waste an opportunity to win convincingly (4,4)
15. Idiot following potty revolutionary (4)
16. Possibly Chris Hoy racing here? (5)

Down

1. Inferior cooling device brought about relief in the end (4)
2. Fire can be so hot (5)
3. US network covering strange particles (6)
4. Student Union newspaper sent up Apprentice's boss (5)
5. Lean boy chopped up sausage (7)
6. Go mad and throw up? (4)
7. Horse to carry around tramp (6)
8. Heavenly but lacking in the sack (7)
9. Dog noses around perfectly innocent property (8)
10. Respond grumpily to noise from children's game? (4)
11. Fitting places to stick your oar into arguments circling bar (8)
12. Somewhat red ally abandoning Britain for Russia (5)
13. Repair held up by Italian radicals (4)
14. Obscure type of confection (5)
15. Bright bird without tail (7)
16. Poles supporting chance to entertain King Charles (7)