AUSTIN (AP) With Texas facing a $10 billion budget shortfall, the rivalry between state workers, teachers and university employees heated up Friday, each group battling for a share of the limited money. Some state employees, who earlier this year lost out on pay raises because of the fiscal crunch, believe any budget cuts or money-saving changes to insurance programs should also be applied to insurance programs for school employees, higher education employees and retirees. Gary Anderson, executive director of the 13,000-member Texas Public Employees Association, said Friday that Texas should make state employees