' s ▁do ▁align ; ▁ ▁S ust ain ▁t ies ▁to ▁the ▁Russian ▁people ▁and ▁business ▁community ▁to ▁preserve ▁the ▁potential ▁for ▁a ▁more ▁construct ive ▁relationship ▁in ▁the ▁future . ▁ ▁N ul and ▁left ▁the ▁State ▁Department ▁in ▁January ▁ 2 0 1 7 , ▁amid ▁the ▁departure ▁of ▁many ▁career ▁officials ▁who ▁left ▁in ▁the ▁early ▁days ▁of ▁the ▁Trump ▁administration . ▁ ▁she ▁serves ▁as ▁a ▁non res ident ▁fellow ▁in ▁the ▁foreign ▁policy ▁program ▁at ▁the ▁Brook ings ▁Institution ▁and ▁senior ▁coun sel or ▁at ▁the ▁Al br ight ▁Stone bridge ▁Group . ▁ ▁Le aked ▁private ▁phone ▁conversation ▁On ▁February ▁ 4 , ▁ 2 0 1 4 , ▁a ▁recording ▁of ▁a ▁phone ▁call ▁between ▁N ul and ▁and ▁U . S . ▁amb assador ▁to ▁Ukraine , ▁Geoff rey ▁Py att , ▁on ▁January ▁ 2 8 , ▁ 2 0 1 4 , ▁was ▁published ▁on ▁YouTube . ▁The ▁State ▁Department ▁and ▁the ▁White ▁House ▁suggested ▁that ▁an ▁assistant ▁to ▁the ▁deput y ▁prime ▁minister ▁of ▁Russia ▁D mit ry ▁Rog oz in ▁was ▁the ▁source ▁of ▁the ▁leak , ▁which ▁he ▁denied . ▁ ▁In ▁their ▁phone ▁conversation , ▁N ul and ▁and ▁Py att ▁discussed ▁who ▁should ▁be ▁in ▁the ▁government ▁after ▁Vik tor ▁Yan uk ov ych ' s ▁ou ster , ▁to ▁include ▁Ar sen iy ▁Y ats eny uk , ▁and ▁in ▁what ▁ways ▁they ▁might ▁achieve ▁that ▁transition . ▁Specifically , ▁the ▁two ▁spoke ▁about ▁which ▁opposition