(May 11, 2016, 12:31 PM EDT) -- CHICAGO — The Seventh Circuit U.S. Court of Appeals on May 6 affirmed a trial court’s dismissal of a pro se lawsuit brought by blind man who alleged that he was improperly fired due to his impairment and warned the plaintiff that “the pursuit of additional frivolous litigation in this court may subject him to monetary sanctions” (Robert Schindler v. Renaissance Hotel Management Company, LLC, No. 15-2560, 7th Cir.; 2016 U.S. App. LEXIS 8449)....