Across
Present of diamonds possibly overwhelming doctor (6)
Songwriter's welcoming party for French star (6)
20d
It's not seen as a theoretical universal presence (4,6)
A nut: with scarce bother, it's shelled (10)
Angelfish skirting East River (6)
Increase closeness? Murmur 'I would, if end of day' (8)
PC element of academic releasing female for college (9)
25a
Resort to autumn retreat, having finished working (4,4,4)
See 15
Evolutionary gambles taken by male to reveal Darwin's craft (3,6)
Lacking capital, sweetheart? Robbery proceeds would make restoration (8)
Surviving, once one is protected by explosive (6)
Speechless Donald Trump's inside, powerless and adrift without lead from business? (10)
See 15
Rebel bookkeeping entry? (6)
Main messenger coming to a fishy end (6)
Down
Buster's dish (7)
Dispute, but not about gang member? (5)
Might you unconsciously be taken by this stylish new reporter on the Guardian? (7)
First-class maths problem that does not present a jolly wheeze (6)
Play for real? (9)
Blubbery? Fat? Rule otherwise! (7)
Rubbish study, perhaps, about flashy aftermath of explosion? (8,5)
Macho singer's key indicator of Mozart work in con brio rendition (4,5)
Temporary camp pen holding very orthodox union activist leaders (7)
Wave from food producer going round about (7)
Old leader's sort of green (7)
See 9
West Country town not about to have a dig (5)
Type letters or click words in the clue