Norm Pleszkoch's Cryptic

Norm Pleszkoch's Cryptic

Across
 1. Destroying without first over-running reasoning (9)
 6. Tossed coins can be heard (5)
 9. Gift from Indian following most of his clan (7)
10. Fine crack from Second Transport Group (7)
11. It is observed by the sound of it! (5)
12. Agitators disturb or bluster (9)
13. Disrupted line? Try without action (7)
14. Change hairdo, or else try weaving (7)
16. "Tried in magazines", say editors (7)
19. Family of spanish holy man is most understanding (7)
21. Mumbler, an awkward feller (9)
23. Encircles unmeshed grids (5)
25. Mechanical closers are not heard, almost intrinically (7)
26. Isn't A Jewel From The East quite a blast? (7)
27. State of mind - going back to small disasters (5)
28. Penalties of para-constituents (9)
Down
 1. Appraises grades (5)
 2. He's possibly from Peking and, hence, is unorthodox (7)
 3. Frayed pull-on, yet showing abundance (9)
 4. Writer, up in Italy, losing article foolishly (7)
 5. Excitement belongs to us after good getaway (7))
 6. Brush! (5)
 7. In the grip of marijuana, I've lyricized childishly (7)
 8. The most inadequate is, I observe, up in Bureau (9)
13. Thought the last British letter about fifty, one highly esteemed (9)
15. Temple of volatile young sage (9)
17. Half supportive, he sometimes plays games for money (7)
18. Mother begs for linens . . . (7)
19. . . . . father is family's servant (7)
20. Irregular car tire! (7)
22. Ties by the number, front to back (5)
24. We do wrong before depression (5)

SOLUTION