Richard J. Aronson is an attorney with Bruce Farrel Dorn & Associates. His letter comes in response to Michael R. Panter’s Mediation Circus column published on Oct. 18, “Cause for concern: Qualms with IPI 15.01,” regarding ambiguous jury instructions.Though the article by retired judge Panter thoroughly showed the age-old problem with the phrase “proximate cause” in Civil Jury Instruction No. 15.01, why not eliminate the useless word “proximate?”After 53 years of trying jury …