We did the math to calculate how many hours it takes America's top CEOs to make what their workers earn in one year

AP Photo/Mark Lennihan While it's not surprising that CEOs make a lot more money than their employees, the massive extent of that pay gap can sometimes be overlooked. US companies are required to publish their chief executives' annual compensation, as well as the ratio of that compensation to the annual pay of the company's median employee. Using those ratios, we calculated how long it took CEOs at 19 of the biggest companies in the US to make what at typical employee earned in a year. Several C...