Dec. 9—The 3-pointer that UNLV’s Kiara Jackson hit right before halftime was frustrating end to a slow second quarter for Oklahoma, but it still trailed by just four points. Skylar Vann was leading the team with 13 points on 5-of-10 shooting, but the rest of the Sooners were shooting just 44% from the field. Meanwhile the Rebels were nearly perfect on shots inside the arc, knocking down eight of…