Nysos (Nyquist), the top-ranked horse in the NTRA's poll of top three-year-olds, will miss one month of training after a `minor' setback, said the colt's trainer, Bob Baffert, by text Tuesday afternoon. "(Nysos) will be out of training," Baffert texted. "Tack-walking for 30 days. No plans." Asked exactly what the setback was, Baffert replied, "minor." Nysos is a perfect three-for-three, breaking his maiden at Santa Anita in October, winning the GIII Bob Hope S. in November, and then winning the GIII Robert B. Lewis S. in February. HIs combined margin...