▁Security ▁Ad visor , ▁following ▁news ▁reports ▁about ▁his ▁communic ations ▁with ▁the ▁Russian ▁amb assador , ▁Serge y ▁K is ly ak ▁and ▁additional ▁reports ▁that ▁he ▁had ▁mis led ▁the ▁Vice ▁President ▁about ▁them . ▁F lyn n ' s ▁ 2 4 - day ▁ten ure ▁as ▁National ▁Security ▁Ad visor ▁was ▁the ▁short est ▁in ▁the ▁ 6 3 - year ▁history ▁of ▁the ▁office . ▁Those ▁communic ations ▁he ▁had ▁with ▁the ▁Russian ▁amb assador ▁were ▁subsequently ▁le aked ▁to ▁the ▁press . ▁ ▁Comment ing ▁on ▁F lyn n ' s ▁res ignation , ▁on ▁February ▁ 1 4 ▁White ▁House ▁Press ▁Secretary ▁Se an ▁Sp ic er ▁stated , ▁" We ▁got ▁to ▁a ▁point ▁not ▁based ▁on ▁a ▁legal ▁issue , ▁but ▁based ▁on ▁a ▁trust ▁issue , ▁where ▁a ▁level ▁of ▁trust ▁between ▁the ▁President ▁and ▁General ▁F lyn n ▁had ▁er oded ▁to ▁the ▁point ▁where ▁he ▁felt ▁he ▁had ▁to ▁make ▁a ▁change ... ▁The ▁issue ▁here ▁was ▁that ▁the ▁President ▁got ▁to ▁the ▁point ▁where ▁General ▁F lyn n ' s ▁relationship — mis leading ▁the ▁Vice ▁President ▁and ▁others , ▁or ▁the ▁possibility ▁that ▁he ▁had ▁forgotten ▁critical ▁details ▁of ▁this ▁important ▁conversation ▁had ▁created ▁a ▁critical ▁mass ▁and ▁an ▁uns ust ain able ▁situation . ▁That ' s ▁why ▁the ▁President ▁decided ▁to ▁ask ▁for ▁his ▁res ignation , ▁and ▁he ▁got ▁it ." ▁ ▁That ▁same ▁day ▁( F ebru ary ▁ 1 4 ), ▁President ▁Trump ▁met