According to the Bureau of Labor Statistics, a whopping 75.3 million US workers are paid by the hour. That amounts to 59 percent of the American workforce –or nearly three out of every five wage and salary earners in the country.Unfortunately, though, many employers find hourly workers difficult to engage, motivate and retain. Why? Because most wage earners don’t aspire to “climb the corporate ladder.” Many work only part-time. Few have opportunities for bonuses or promotions. As a result....