Where a court allowed evidence that the plaintiff was not wearing a hard hat while cutting down trees, it erred, as failure to wear a hard hat did not cause dead tree branch to fall on plaintiff’s head.The 7th U.S. Circuit Court of Appeals reversed a decision by U.S. Judge Tanya Walton Pratt, Southern District of Indiana.In April 2014, Johnny Webber was helping his friend Roger Butner cut down trees on Butner’s …