Desperate attempts to present Falkirk as part of a pattern of union abuse are as predictable as they are risible.
The Labour leader must use this moment to emancipate himself from the machine that won him the job in the first place.
The Unite general secretary hits back after Labour announces the end of the "union join" scheme and suspends Unite candidate Karie Murphy from the party.
The chatter in the party has been that Watson runs around the country making sure 'his' people get chosen as candidates.
Douglas Alexander, who ran the 2010 campaign, is the frontrunner.
Read the full text of the Labour MP's resignation letter to Ed Miliband.
An interview with the Yale political scientist behind Ed Miliband's big idea.
While the Labour leader takes time to ponder the future, his party is drifting into a style of politics that looks in urgent need of consignment to the past.
By choosing to answer the question "who runs Labour?" the Unite general secretary has suggested the answer was in doubt.
The Tories should not make the mistake of assuming that the public shares their instinctive loathing of the trade unions.