Right-wing leader — poor soul's in 60s' wear! (9)

I believe the answer is:

mussolini

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'right-wing leader' is the definition.
'mussolini' can be an answer for 'leader' (I have seen 'Wartime leader' mean 'mussolini' so perhaps 'leader' could also mean 'mussolini'). I'm not certain of the 'right-wing' bit.

'poor soul's in 60s' wear' is the wordplay.
'poor' indicates anagramming the letters.
'in' means one lot of letters goes inside another.
'60s' wear' becomes 'mini' (mini skirt, iconic 1960s item).
'souls' anagrammed gives 'ussol'.
'ussol' going inside 'mini' is 'MUSSOLINI'.

Can you help me to learn more?

(Other definitions for mussolini that I've seen before include "Il Duce" , "Italian WW2 dictator" , "Italian World War Two leader" , "WW 2 Italian leader" , "ruler" .)

I've seen this clue in The Guardian.

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