A Walmart employee earning the company’s median salary of US$19,177 would have to work for more than a thousand years to earn the US$22.2 million that Doug McMillon, the company’s chief executive, was awarded in 2017. At Live Nation Entertainment, the concert and ticketing company, an employee earning the median pay of US$24,406 would need to work for 2,893 years to earn the US$70.6 million that its chief executive, Michael Rapino, made last year. And at Time Warner, where the median compensation is a relatively handsome US$75,217, an employee earning that much would still need to work for 651 years...