Is it Ringo installing Ringoe as PM?

I believe the answer is:

starmer

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'pm?' is the definition.
(UK prime minister Keir Starmer)

'is it ringo installing' is the wordplay.
'is it' becomes 'st' (I've seen this in other clues).
'ringo installing' becomes 'armer' (I can't explain this - if you can you should give a lot more credence to this answer).
'st'+'armer'='STARMER'

'ringoe as' acts as a link.
This may not be correct. Some or all of it may be part of another bit of the clue.

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