Experienced nurses vote, with 50% absent, to be shown on TV (10)

I believe the answer is:

telecasted

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'50 absent to be shown on tv' is the definition.
I can't judge whether this definition defines the answer.

'experienced nurses vote with' is the wordplay.
'experienced' becomes 'tasted' (I've seen this before).
'nurses' means one lot of letters goes inside another (nurse can mean to hold onto or harbour).
'vote with' becomes 'elec' (I can't explain this - if you can you should believe this answer much more).
'tasted' going around 'elec' is 'TELECASTED'.

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I've seen this clue in The Independent.

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