MAE SOT, Thailand (AP) — Mohammed Taher clutched the lifeless body of his 2-year-old son and wept. Ever since his family’s food rations stopped arriving at their internment camp in Myanmar in April, the father had watched helplessly as his once-vibrant baby boy weakened, suffering from diarrhea and begging for food. On May 21, exactly two weeks after Taher’s little boy died, U.S. Secretary of State Marco Rubio sat before Congress and declared: “No one has died” because of his government’s