Corbyn’s wage cap plan labelled unworkable but keeps pay on agenda

City figures attack Labour leader’s idea that bosses should not earn more than 20 times the wage of their lowest-paid workerJeremy Corbyn’s idea for a maximum wage cap has been branded unworkable, but the Labour leader’s focus on tackling the pay gap between bosses and workers was given a warmer reception by campaigners against inequality.Major companies are on alert to attacks on boardroom pay after Theresa May put the issue on the agenda during her campaign to become Conserva