The trouble with Jeremy Corbyn: five tests the Labour leader is failing

Much of the Parliamentary Labour Party want to replace Jeremy Corbyn, and his popularity among the general public is low. Yet he was resoundingly re-elected by party members last autumn. Patrick Diamond assesses the Labour leader’s performance as an opposition leader according to five criteria, and concludes the risk of a Labour schism between ‘principles’ and ‘power’ – of the kind that rivened the party in the early 1980s – is considerable.