Nov. 3—PHOENIX — Spurs rookie star Victor Wembanyama emphatically ended any talk about his slow starts. Oh, and he also played pretty darn well at the end. Wembanyama scored 20 of his season-best 38 points in the first half, and then made sure the Spurs withstood a furious comeback bid by Phoenix from a 27-point second period deficit to grab a 132-121 win over the Suns on Thursday night. SPURS…