Cryptic #4

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Across
  1. 2. Individual regularly pounces (3)
  2. 3. Faces curiously expire around secret police (5)
  3. 5. Reverse car to save files (4, 2)
  4. 8. Combine some old nitrogen with silver and tungsten to make a cart (5)
  5. 11. Dismay of Tory serious at Italy over nuclear (13)
  6. 13. Reveal all with haricots knocked over (5, 3, 5)
  7. 14. Easy saunter over sweet thing (8)
Down
  1. 1. Business passing on the left (11)
  2. 4. Bus reverses into US state hiding resistance vessel (9)
  3. 6. Revolutionary invention (5)
  4. 7. Bring up in Darwin, Churchill and Downing Colleges (5)
  5. 9. Camping, we hear, is very serious (7)
  6. 10. Writer has fish after argument (8)
  7. 12. Hot curry around Thailand is a killer (5)