NEW YORK (AP) — Cecilia Vega, more recently ABC’s chief White House correspondent, is joining the CBS TV newsmagazine “60 Minutes.'' Bill Owens, executive producer of “60 Minutes," called Vega a “sensational reporter and storyteller,” in the Thursday announcement. Vega said in the statement that the appointment was a “dream come true.” Vega will start at ratings leader “60 Minutes” in the spring as a correspondent.