Across
Initially doctors diagnosed impetigo though it's only necessary to go on a supplement (8)
Practised what a famous Norman did using gilt iron (6)
No time to teach naval manoeuvres in flood (9)
Smallest amount of gin and relative's wasted (5)
Republican pursuing House seat getting increasingly gruff (7)
Maniac putting a jerk on air (7)
Ancient artefact and Villa's location protected by political favour? (7,5)
I need a hand with driving on vacation – somehow revealing ulterior motive (6,6)
Fancy, fashionable picture frames (7)
Fizzy tea? It's absurd (7)
Present article about ... (5)
... the people of Ohio struggling to hold independent vote (3,6)
Space Oddity's backing singer's boring existence (6)
State banks are in disarray (8)
Down
17d
(and 17 Down) Novelist displaying range, putting character from best-seller in novel I hate (6,8)
Male getting into retro blue movies? (6)
Make their lot sit out – now we're getting somewhere (5,4,4,2)
Occasionally force dog to come round (5)
Unusually bourgeois lad ran union? (9,6)
Enjoyment of father joining it for a night to begin with (8)
21d
(and 21 Down) Keep moving home following clinical condition (8,6)
Page's title after being edited down (4)
Ultimately score after extra time (3)
Defeat regularly upset supporter? (3)
See 1 Down
Neighbouring Canada wanting an American jet for deployment (8)
Clears cellars (6)
See 8 Down
Memory of niece's school essentially (4)
Ring church about that man (5)
Type letters or click words in the clue