9  Government's main office? (9)

10 Limits on propaganda began as black and white issue (5)

11 Deer meat regularly goes down well? (6)

12 Bouncy boy given dab of mashed banana? (8)

13 Excuse naked betrayals (6)

15 Backlash after opening of play wears on and on (8)

18 Vogue stumped by lady's dressing without extravagance (8)

19 Big cup for small mouth? (6)

21 Be quiet and no looking! (3,1,4)

23 At first protestors showed youthful revolutionary spirit (6)

26 Sage family member invested in superior valuations (5)

27 Warmed up for a run and eager to start (3,2,4)

28 Trump's fired up base creates disaster in America (8,4)

 1  Type of music made by Bach and R.E.M. (7)

 2  Copy note by note, more or less (5)

 3  Examiners use "Sorry" very casually (9)

 4  Solemn, humble, not large to begin with (4)

 5  Blow for farmer? (8)

 6  Use like cider? (5)

 7  Party of peacekeepers causing annoyance (8)

 8  Pull up on space to park (6)

14 Extra publicity needed before seedy bar acquires appeal (8)

16 Lacking English, criminal took course providing quick overview (5,4)

17 First-rate naughty bit (4-4)

18 Servant's leg visible under skirt (6)

20 Support foreign settler (7)

22 Sauce from Ukraine lifted dish (5)

24 Amazing! US soldier might do Queen's bidding? (5)

25 A fool in Congress (2,2)