Cryptic crossword No 2,523

Across

• 1 acrossGnaw at bit of chicken at first, prosciutto, and a little pork (5)
• 4 acrossThere’s a charge on these independent statisticians (4)
• 6 acrossRose, having gone to seed, develops these (4)
• 10 acrossObscure place for tombs, mostly very cold (7)
• 11 acrossFast thing Jay-Z does without energy (7)
• 12 acrossWartime show has a titan mating grotesquely (3,4,3,5)
• 13 acrossWithout function (4)
• 14 acrossWhat’s arched for hollowing out surface of zante? (4)
• 16 acrossCut back start of means test (4)
• 20 acrossOld German settler’s top spy ship (4)
• 21 acrossEnjoyable spectacles within grid’s borders (4)
• 23 acrossAffiliates holding back a book the dust jacket of which bears the words, ‘This book will change your life’? (4)
• 26 acrossPuzzling runner-up streams heroic movie (8,7)
• 28 acrossDevice for keeping the volume up (7)
• 29 acrossOne politician – a good man – ordinary ... laying it on a bit thick? (7)
• 30 acrossSenior manager of mobile provider getting cross, heading to Cuba (4)
• 31 acrossYours truly and leading solvers here come together (4)
• 32 acrossMan, say, at back of a passage (5)