After decades of pushing bachelor’s degrees, U.S. needs more tradespeople

At a steel factory dwarfed by the adjacent Auto Club Speedway, Fernando Esparza is working toward his next promotion. Esparza is a 46-year-old mechanic for Evolution Fresh, a subsidiary of Starbucks that makes juices and smoothies. He’s taking a class in industrial computing taught by a community college at a local manufacturing plant in the hope it will bump up his wages.
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