Where a tripping hazard in a lumber yard was open and obvious, and the store employees regularly cleaned the yard and fixed hazards, the store did not owe a customer duty of care to prevent his tripping and injuring himself.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. Magistrate Judge Jeffrey Cole.In February 2017, Robert McCarty and his employee, Tristan Parks, went to the Menards store in far north suburban Antioch to purchase building materials for a renovation project.McCarty and Parks were in …