Leading British Empire politicians talk too much (8)
I believe the answer is:
belabour
'leading british empire politicians talk too much' is the definition.
I can't judge whether this definition defines the answer.
'leading british empire politicians talk too' is the wordplay.
'leading' suggests taking the first letters (the leading letter of the word).
'politicians talk' becomes 'labour' (I can't explain this - if you can you should believe this answer much more).
'too' is a charade indicator (letters next to each other).
The initial letters of 'british empire' is 'be'.
'be'+'labour'='BELABOUR'
Can you help me to learn more?
(Other definitions for belabour that I've seen before include "criticize" , "Criticise harshly" , "Attack physically or verbally" , "Argue (a point) at excessive length" , "Beat" .)