1: Examiner for each drug addict (7)
2: Arrived real pale, afraid of being shot? (6-3)
3: Walesa still embodies how Nobel Laureates soar? (3)
4: Good Republican source of life-giving system for short-handed office workers (5)
5: Mikes good tackling ice tower (6,3)
6: Goes bad and accepts never-ending abuses of the system (5)
7: At first, Los Angeles boy obstinately refuses work (5)
8: Out of line like London gardens (5)
12: Attract fill-in worker by end of August (5)
15: Welsh resort - and no dull resort (9)
17: Number observed with contest entry (9)
20: Sid sets off then stops (7)
21: After a second, whip and rip (5)
22: Gore locked in little boy's room (5)
23: Entrance activists en masse (5)
25: Radio hosts drink little (5)
28: Totally lacking a lofty plaything (3)