Premier turned up to speak, missing point? (5)

I believe the answer is:

potus

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'speak missing point?' is the definition.
I don't know anything about this answer so I cannot tell whether this works.

'premier turned up' is the wordplay.
'premier' becomes 'top' (I've seen this before).
'turned' shows that the letters should be reversed in order.
'up' becomes 'us' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'top' reversed gives 'pot'.
'pot'+'us'='POTUS'

'to' acts as a link.

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