Weekend Update: Sept. 18-20

The Arabian and Half-Arabian Sport Horse National Show is at the Hunt Horse Complex this week, with competitors from all over the nation. The show is free for spectators and also offers the Total Arabian Interactive Learning tours on Thursday, Sept. 17, at 6 p.m.; Friday, Sept. 18 at 4 p.m. and 6 p.m.; and on Saturday, Sept. 19 at 10 a.m. and 2 p.m. Go online to register for a tour and to find showtimes. Other events at the fairgrounds this weekend: Lonestar and Brent Rupard will perform Saturday night in Dorton Arena. Tickets are $28. Doors open at…