The U.S. Department of Veterans Affairs' cancellation of a $75 million contract with UT Southwestern Medical Center could mean the end to the Dallas university's research into treatments and cures for Gulf War illnesses. UT Southwestern epidemiologist Dr. Robert Haley told The Dallas Morning News that he and a team of 200 colleagues from eight universities are five years ahead of anyone else engaged in the painstaking research into why 200,000 healthy soldiers went to the Persian Gulf in 1990-91 and returned to civilian lives of chronic illness. ... A closer look at the body of research conducted by Haley...