Leading academics have been accused of undermining a protest about workers’ rights in London in order to give a talk about a historian famous for his support of workers’ rights. Sir Richard Evans was due to discuss his book on Marxist historian Eric Hobsbawm at the University of London on Thursday evening, breaking a boycott supported by hundreds advocating better employment conditions for cleaners and other outsourced staff at the university. Martin Jacques, the former editor of Marxism Today, and…