Michael “Mike” Blum has been watching and working the real-estate market around these parts since dinosaurs roamed the earth, so if anyone wants to get a feel for the local commercial real-estate market, he’s one of your top go-to guys. Okay, the dinosaur scenario may be a little bit off the mark, but Blum is, after all, the guy who issued the building permit for La Plaza Mall, and he has been in Hidalgo County since landing here as Edinburg’s city planner in 1972, after which he moved to McAllen in 1973 to assume the same role. To say that ...