The move is revealed in Ed Balls' new book.
The New Statesman podcast.
"Trigger ballots" already offer members the means to remove opponents of Jeremy Corbyn.
There are notable parallels between the Labour party elections of 1981, and those of 2016.
The nominations were won by Corbyn loyalists in Manchester, Birmingham and Liverpool.
A first look at this week's issue.
The party’s candidates are clear favourites, yet the national leadership remains sceptical of devolution.
The MP for Liverpool Walton beat off rivals Luciana Berger and the current Liverpool mayor Joe Anderson.
Unpicking the latest resurgence in political name-calling on the British left.
The more we have opened ourselves up to the world, the more inward-looking we have become.
Backers of a progressive alliance are deeply misled, warns Daniel Johnson.
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