Shirkers of the world unite. This weekend a vanguard of beret-wearing commie-sympathisers will be meeting in London to discuss, wait for it, “Ideas for Freedom: Marxist ideas to turn the tide”. Kicking off with a “radical East London walking tour”, the revolutionaries will of course be discussing how Karl Marx can help them fight cuts. Class war fighting comrades already signed up include a host of trade unionists from Unison, the RMT and PCS. They will be joined by Maria Exall, TUC activist and civil partner of Shadow Cabinet member Angela Eagle, so it’s good to know the Marxists have an in to Team Red Ed. Buy your ticket for a capitalism-busting £33…