Cryptic clues

Across

10 Being unable to keep exotic vine is undesirable (10) 11 Old Hawaiian snack? (8) 13 Brainpower sought by espionage agencies (12) 14 Attack is, alas, poorly organised (6) 16 Self-supporting politician? (11) 18 Parliamentarian surrounded by cruel characters will cave in (7) 20 Kids that pinch things? (7) 22 Coming up for air again in surfing race at sea (11) 23 Lack of cars travelling to urban centre (8) 26 Mixed, as arranged (8) 30 Mysteriously go each April to the Philippines, for example (11) 31 Check operating switch (7) 34 Shirk duties? (7) 35 It takes good looks to succeed in this game (4,3,4) 36 Kind of stand taken in laboratories (6) 38 Monk with a legal career? It’s all relative! (7-2-3) 41 No creeds may be expurgated (8) 42 Creatures most susceptible to spinal injury? (10)

Down

1 Test performance of 501 replacements after top contenders withdraw from auction (8) 2 Warmed to update he revised (6,2) 3 Rap will not prevail – it’s Satan’s work! (4) 4 They are seen in practice sessions (8) 5 Feeling depressed, Halle had fruit (9) 6 Circuit of outer landing strip (3) 7 Does change lead to heartfelt poems? (4) 8 Let down when a little lad is appointed (10) 9 Questioned the truth when confronted (10) 12 Seventh heaven as depicted by weird sect, say (7) 15 Scoffs cereal on board (6) 17 Quietly making contact by delivering sermon (9) 19 Plain round Aden resort (9) 21 Coubertin’s group inspired overwhelming confidence from the start (1,1,1) 23 Fascinated by fame associated with celebrity hit (10) 24 Financial profession in current reckoning (10) 25 Give them directions for discussion topics (6) 27 The gods cover up Narcissus’ problem (3) 28 Do they bathe seals? (7) 29 Offload Otto’s inedible mushroom (9) 31 Join together for company jumble sale in front of church (8) 32 After unexpected rise, Heather served wine (8) 33 Fond of sage? Me, too! (8) 37 It is hit in angry outburst (4) 39 Simpson’s boys removed troublemakers (4) 40 They say it’s superior to the sword, but a bit expensive (3)