Cryptic crossword

ACROSS 1. Romney enumeration dropping off? One may try it (8,5) 9. Showed one’s deference to seed and crept about (9) 10. Capital, the way he judged Aphrodite the winner (5) 11. Briefly or barely show a distinctive mark on uniform (5) 12. Fixed idea the old boy took to the sitting (9) 13. Having raised Virginia, may be about to delete it (8) 15. Abstracted state carnet of a sort (6) 18. Most dreadful, the way I’d backed the others (6) 20. Fact of being where 14 are not (8) 23. Top Varden version of a large sofa (9) 24. Sort of film to make one hold on tight (5) 25. It beats the seeds of leguminous plants (5) 26. An American chemist’s made rust go red (9) 27. Degrees got in a university’s racial harmony maybe (13) DOWN 1. Fir cloned somehow with the grain grown here (9) 2. Steal someone’s thunder where the backdrop is concerned? (7) 3. Those that meet for a bite to eat (5) 4. An essential element of grit none can alter (8) 5. Society is mad about pleasure in giving pain (6) 6. Snapshots of Essex pour out of them (9) 7. One of the Ayatollah’s cats? (7) 8. It is played twice on seeing a buffalo (5) 14. There may have been seats for such as weren’t there (9) 16. It is always unseasoned and unfading (9) 17. To stick out for port perhaps isn’t polite (8) 19. Is abused in language that is horrid when in the red (7) 21. A robin one found fluttering around African city (7) 22. No cool chow, this! (3,3) 23. Odd, physical education being given when under drugs (5) 24. It will be at the expense of a rib (5)