An Illinois state employee who was fired after engaging in a physical altercation with a co-worker does not have a case for retaliation, a federal judge held.In a written opinion last week, U.S. District Judge Thomas M. Durkin granted summary judgment in favor of the Illinois Department of Human Services in a lawsuit filed by Charnetta Foster.Foster maintains she lost her job in violation of Title VII of the 1964 Civil Rights Act because she complained the co-worker was sexually harassing her.Citing Lord v. High Voltage …