Two years ago, Target (TGT) said it would raise its minimum wage to $15 an hour by the end of 2020. The move won praise from labor advocates and put pressure on other companies to also move to $15. But some store workers say the wage increases are not helping because their hours are falling, making it difficult to keep their health insurance and in some cases to pay their bills. CNN Business interviewed 23 current and former Target employees in recent months, including department managers, who say hours have been scaled back even as Target has increased starting wages....