(2nd LD) Cheong Wa Dae slams independent counsel for leaking info on timing of president's questioning

(ATTN: UPDATES with questioning of former Fair Trade Commission vice chairman in last 3 paras; Minor edits)

SEOUL, Feb. 8 (Yonhap) -- The presidential office Cheong Wa Dae on Wednesday lambasted special prosecutors for leaking the schedule set for inv