Party funding changes after union claims in Falkirk selection
14 July 2013 Last updated at 14:47 BST
Allegations of union influence over Labour's selection of a new candidate for the Falkirk seat has prompted parties to review how they funded, and calls for a cap on donations.
Ed Miliband managed to shift the debate from Labour to the funding of all political parties, and Len McCluskey's name has raised in PMQs over the last two sessions.
Adam Fleming spoke to the Independent's Steve Richards, and Isabel Hardman of the Spectator. on the story so far and whether state funding could be considered.