A federal appeals court unanimously declined to revive a Title VII lawsuit brought by a Cook County Jail employee who claimed she faced discrimination and retaliation from her co-workers.The 7th Circuit U.S. Court of Appeals also upheld the sanction imposed by the U.S. District Court judge against Paula Emerson for her Facebook post threatening other employees if they testified against her.Emerson’s issues at work began when she was assigned to Cook County Department of Corrections Division 9 in 2008. She first …