Last week’s landmark U.S. Supreme Court decision extending federal employment law protection to gay and transgender persons would have come as no surprise to the bold Chicago federal judge who reached the same conclusion 37 years ago in a landmark decision of his own.U.S. District Judge John F. Grady, who died last December at age 90 after 39 years of service on Chicago’s federal bench, found in 1983 that Eastern Airlines had unlawfully discriminated against pilot Karen Ulane when the airline fired her upon learning that …