Jon Lansman is a Labour Party activist who worked on Jeremy Corbyn’s 2015 leadership campaign and subsequently founded the Pro Corbyn organisation Momentum. Recently a new constitution was passed that in effect goes against everything Momentum was set up and marketed to be. Momentum originally encouraged people to join and become active claiming to be ”a group independent of the Labour Party’s leadership” and stating “it will work with everyone who supports Jeremy’s aims of creating a more fair, equal and democratic society.

This independence from Labour Party leadership was a great thing as it brought campaigning Socialists ( who on principle would not join The Labour Party) those that left under the Blair leadership and those expelled for their Socialist views all together into one organisation. This was helping to energise and transform The Labour Party into a force attractive to wider layers of people, who have previously turned…