Flagstaff Nissan Subaru continues its annual tradition of hosting Trunk-Or-Treat inside its Nissan showroom at 4960 E. Marketplace Drive, and its Subaru showroom at 4910 E. Marketplace. The free event, which will be held on Thursday, October 31, 2019 from 4:00 p.m. to 7:00 p.m., will feature individually decorated car trunks filled with candy, treats,…