Journalist taking part in foxtrot I decided to knock over (6)
I believe the answer is:
editor
'journalist' is the definition.
(senior journalist)
'part in foxtrot i decided to knock over' is the wordplay.
'part in' indicates the answer is hidden within the clue.
'to knock over' shows that the letters should be reversed in order.
'rotide' can be found hidden inside 'foxtrot i decided'.
'rotide' reversed gives 'EDITOR'.
'taking' acts as a link.
(Other definitions for editor that I've seen before include "Magazine head" , "Press boss" , "Senior hack" , "Top journalist" , "Director of 3 down" .)