Nathaniel Abraham left India and moved to the United States in 1997 to pursue science. He studied biology at St. John's University in New York, where he earned his master's degree and doctorate. He developed expertise in toxicology and developmental biology pertaining to zebrafish. His academic rigor and top-notch research skills advanced his career quickly, landing him a job in 2004 at the prestigious Woods Hole Oceanographic Institution in Massachusetts. By every indication, Abraham had realized his American dream: a job in the field he loved, an employer eager to sponsor a new visa, a sense of financial security, and...