WASHINGTON (AP) — Fourteen years after the U.S. first criticized Thailand for labor abuse in its annual trafficking report, seafood caught by slaves on Thai boats is still slipping into the supply chains of major American stores and supermarkets. The question of labor abuse in Thailand will come up at a congressional hearing Wednesday, in light of an AP investigation that found hundreds of men beaten, starved, forced to work with little or no pay and even held in a cage on the remote island village of Benjina. While officials at federal agencies would not directly answer why the law and sanctions are not applied, they pointed out that the U.S.