Best ever performance from leftist full of goodness (6)

Son remains in Cambridge University to succeed (5,2)

Computer file appended to mail for researcher (7)

Dope and beer left in building for event involving parties (7,8)

See 18

Government naturally welcomes learner drivers here (4,6)

Discouraging inaccurate activity on 13 (3-7)

Check revenue, gutted by tax (8)

Hammered pale worker’s failed balancing act (9,6)

Articles from Germany and the UK, say, about craze (7)

Double whiskey brought in to Jacob’s dwelling? (7)

Farage is hanging around charming companion (6)

Helen’s lover speaking drunkenly in priest’s district (6)

Actor in a suit with no pattern turning up fine suit (9)

Parents mustn’t have married different people (6)

During binge, sober stars pusillanimously withdraw (6,3)

Drive back from Carlisle, perhaps heading north (5)

Singer Johnny Rotten’s no. 1 covered by one of The Police – a cultivated product (4,4)

Bones possibly set, with a different bit at the end? (5)

TV magnate with fraudulent investing scoffed, given a sweetener (5-6)

Presumed crook judge ticked off loses head (11)

Better to keep good list in a part of the index? (9)

Queen upset king breaks often shaky, special bonds (4,5)

Regularly shout ‘cheats’ where politicians speechify (8)

Figure holding Virginia up is Grace’s partner (6)

Current prince deprived of electronic stuff (5)

Endless test about case of police work at the Met (5)