Cryptic crossword No 3,438

Across

1. Comedic art could be egalitarian (10)
2. Singer Lipa introduced to unusually great bachelor (8)
3. Track academy to claim athletic Swede for America (8)
4. Hiccup from taste of barbecue sauce (4)
5. Deal with fiascoes regularly (4)
6. Speechless about advanced temperature change (6)
7. Prompt to give up when infiltrated by Military Intelligence (8)
8. Disorganized concert lacks any opening for country singer (5)
9. Drop informer next to seedy bar (8)
10. Deep cuts constrain ten secretariats (7)
11. Spooner's family advertisin' sewing accessory? (10)
12. Proposition disrupted focus of new mother (7)
13. Shared dire ultimatum with all except Tim (6)
14. Old surgeon backs simplistic fix (5)

Down

1. Childish fuss over inane language added to series of clues (10)
2. Pick plum (6)
3. Summon less energy amid alarming shortage (8)
4. A sober inmate sadly accepting noon execution (10)
5. Vespa starts to wobble after striking pothole (4)
6. Identify a bull in bear market? (7)
7. Leave coat by Irish lake (8)
8. After surgery, I swallowed this! (6)
9. Spy young lady overwhelmed by attention at end of party (8)
10. Servant cheering, having money for good (6)
11. Unionist crowds encouraged vendetta (4)
12. Harass bewildered big cheese leaving Switzerland (7)
13. Astronaut succeeded with walk atop ship (8)
14. Everton forward ultimately decked by robust tackle (6)