Gender discrimination, yes; disability discrimination, no
On May 27, 2003, the U.S. Supreme Court ruled in Nevada Department of Human Resources et al. v. Hibbs et al. that state employees can sue in federal court if their rights under the Family and Medical Leave Act (FMLA) are violated.
As disability rights activists -- as human beings concerned with getting and using the tools to challenge injustice -- we should applaud this decision.