michael flynn resign president donald trump national security adviser monday night amid grow scandal contact russian officials.the white house announce resignation days uncertainty flynn fate report obfuscate detail conversations russian officials vice president mike pence administration officials.trump administration officials include chief white house counsel mcgahn brief last month flynn apparent misstatements discussions russians yates dismiss days late refuse enforce trump travel ban executive order source familiar situation say brief flynn appear play role firing.the washington post first report brief monday white house announce flynn resignation shortly afterward course duties incoming national security advisor hold numerous phone call foreign counterparts minister ambassadors call facilitate smooth transition begin build necessary relationships president advisors foreign leaders call standard practice transition magnitude flynn write resignation letter inadvertently brief vice president elect others incomplete information regard phone call russian ambassador sincerely apologize president vice president accept apology flynn added.keith kellogg national security council chief staff step act national security adviser head national security council retire army gen. barry mccaffrey know kellogg decades say early tuesday good man among early trump loyalists.flynn long controversial figure national security establishment widely dislike trump establishment aid say fuel trump conspiracy theories distrust intelligence community maintain trump support president believe loyal insight military affairs also particularly close stephen bannon president top strategist philosophical strategic adviser vast sway presidency.over weekend bannon pull flynn aside conversation accord white house official gannon support flynn amid turmoil tell right thing resign official said.the white house already begin canvass flynn permanent replacement retire gen. david petraeus schedule meet trump white house tuesday accord people familiar plans.petraeus briefly consider secretary state transition pass part 2015 conviction mishandle classify information.trump long admire petraeus seek counsel trump like respect say person close trump.petraeus respond email seek comment.for entire story politico break gen michael flynn resign close friend steve bannon reportedly offer word advice