CNBC tapped NBC Uni’s Elisabeth Sami as vp, CNBC Global Bus Dev. — Jacques Tortoroli was named svp, corp controller and chief accounting officer, following the Viacom spin- off. He’ll be on the Tom Freston/MTV Nets side. — Andy Fleming was named acting vp, gm, Time Warner Cable’s Southern Dist. — TV Week editor Alex Ben Block is leaving to write a book about entertainment; he may continue to pen columns for the trade paper, though.