You can catch a horse show in the morning, antiques in the afternoon and a circus at night this weekend at the N.C. State Fairgrounds. Not to be forgotten is the free Children’s Good News Spectacular on Saturday. Upcoming events include: The Triangle Wide Horseman’s Association Open Horse Show is Saturday and Sunday beginning at 9 a.m. daily in the Hunt Horse Complex. Admission is free. The event will feature Halter, Western, English and Saddle seat classes for all horse breeds. The Raleigh Antiques Extravaganza is Friday from 10 a.m. to 6 p.m., Saturday from 10 a.m. to 5 p.m….