In Mexico, a 23-year-old street sweeper with a golden voice has captured the public imagination. In just two weeks, Macario Martinez has racked up millions of views with his rags-to-riches story and ...

Clean Sweep then brings out the W.O.W. sheet. This document is a schedule of what a sweeper operator should know Within One Week (W.O.W.). According to this schedule, after that first week ...