The labor union for staff of Uber Technologies Inc.'s food delivery service in Japan called Thursday for the U.S. ride-hailing giant to reverse recent pay cuts and negotiate over working conditions.The base pay of Uber Eats delivery staff in Tokyo was lowered late last month without a detailed explanation, the union said. The company, for example, slashed the base rate for a 5-kilometer delivery by about 22 percent to 621 yen ($5.7) from 793 yen.The union has demanded a thorough explanation regarding the changed rates, but the company has not provided one, the union said."I cannot understan…READ FULL ARTICLE