Cryptic crossword - The Scotsman 29/12/2011

Across

1 Confirmed that the usual current will be sanctioned (8)

5 A long stride cut short by a beast of burden (6)

10 Comes and goes with little energy, yet still delivers (9)

11 Work out how to see the light (5)

12 Polish have the last word for it, at the end of the day (7)

13 After primary education, two little boys were expelled (7)

14 Start to bring everyone into space for dancing (8)

17 Wept over the last supreme leader (5)

19 There may be plenty of examples (5)

21 Right away, free trade managed to join the league (8)

24 Small group in charge included first-class freethinker (7)

25 Converted one artist to some fortified wine (7)

27 Make a profit on the same track (5)

28 One day had to beat up CID, so stepped down (9)

29 Did the landlord have to watch over the road-race? (6)

30 Maintained Irish team going into action (8)

Down

1 A sum of money in hand may keep one’s head above water (6)

2 Conservative learned to get on with him (5)

3 May be attracted to partisan; not entirely (7)

4 Head off the person on guard to win access (5)

6 In short, city swindle could well prove endless (7)

7 Assign some workers to start a vegetable patch (9)

8 Developed neat code to compose a short story (8)

9 Runner who takes in several athletic events turns up to be honoured (8)

15 To upset the fruit on a 1 down could cause total confusion (9)

16 In error, old multinational took on a trainee bureaucrat (8)

18 Did a man with a plan wreck small manor-house? (8)

20 Formal agreement to get some decent entertainment (7)

22 Principal revolutionary rooted in the avant-garde (7)

23 Had priority over, and touched down there (6)

25 After mass, I’d get time off to catch a little biter (5)

26 Plant losing its head in season (5)