BuildRGV is focusing on the Rio Grande Valley’s downtowns and their economic prosperity with “The Future of Downtowns” Aug. 30 in downtown Weslaco. Held for downtown merchants, property owners, builders, developers, city planners and EDC staff, and county and downtown managers, the event provides innovative approaches to driving traffic to downtown. Attendees will learn not only how to bring more traffic to their downtowns, but also success stories of other vibrant…