A man who alleges he was fired for seeking disability benefits does not have a claim for retaliatory discharge, a federal judge has held.In a written opinion this week, U.S. District Judge Gary Feinerman threw out a lawsuit Edward Nance filed against Comcast Business Communications Inc., saying it would require broadening liability without license from the Illinois courts.Feinerman did not rule on the merits of Nance’s contention that his firing stemmed from his repeated requests for benefits Comcast was …