Beware the $15 minimum wage for menial labor — it’ll eventually come back to bite you in the hindquarters. As wages for fast-food workers continue to spiral upwards, hamburger chain Wendy’s is fast-replacing human workers with automation. The company announced this week that by the second half of the year, ordering will be available through the use of self-service kiosks throughout its entire 6,000 locations, according to Investors Business Daily. It will be up to each franchisee whether to use the new technology or to stick with the old system. Wendy’s President Todd Penegor observed that some locations have already...